384199536 has 80 divisors (see below), whose sum is σ = 1137427200. Its totient is φ = 109469184.

The previous prime is 384199493. The next prime is 384199537. The reversal of 384199536 is 635991483.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384199537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139420 + ... + 142148.

It is an arithmetic number, because the mean of its divisors is an integer number (14217840).

Almost surely, 2^384199536 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 384199536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568713600).

384199536 is an abundant number, since it is smaller than the sum of its proper divisors (753227664).

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

384199536 is a wasteful number, since it uses less digits than its factorization.

384199536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166 (or 3160 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 384199536 is about 19601.0085454805. The cubic root of 384199536 is about 726.9741115046.

The spelling of 384199536 in words is "three hundred eighty-four million, one hundred ninety-nine thousand, five hundred thirty-six".