799644384 has 288 divisors, whose sum is σ = 2870090496. Its totient is φ = 205148160.

The previous prime is 799644379. The next prime is 799644389. The reversal of 799644384 is 483446997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (799644379) and next prime (799644389).

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×799644384² = 1278862281725478912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 799644384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799644389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2372664 + ... + 2373000.

It is an arithmetic number, because the mean of its divisors is an integer number (9965592).

Almost surely, 2^799644384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799644384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435045248).

799644384 is an abundant number, since it is smaller than the sum of its proper divisors (2070446112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799644384 is a wasteful number, since it uses less digits than its factorization.

799644384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 467 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 799644384 is about 28277.9840865646. The cubic root of 799644384 is about 928.1801943981.

It can be divided in two parts, 79964 and 4384, that added together give a palindrome (84348).

The spelling of 799644384 in words is "seven hundred ninety-nine million, six hundred forty-four thousand, three hundred eighty-four".