699398848 has 56 divisors (see below), whose sum is σ = 1418234400. Its totient is φ = 342128640.

The previous prime is 699398807. The next prime is 699398851. The reversal of 699398848 is 848893996.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 699398848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676540 + ... + 677572.

Almost surely, 2^699398848 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 699398848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709117200).

699398848 is an abundant number, since it is smaller than the sum of its proper divisors (718835552).

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

699398848 is a wasteful number, since it uses less digits than its factorization.

699398848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1255 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 64.

The square root of 699398848 is about 26446.1499655432. The cubic root of 699398848 is about 887.6497550109.

It can be divided in two parts, 69939 and 8848, that added together give a palindrome (78787).

The spelling of 699398848 in words is "six hundred ninety-nine million, three hundred ninety-eight thousand, eight hundred forty-eight".