388796992 has 28 divisors (see below), whose sum is σ = 774624816. Its totient is φ = 193616000.

The previous prime is 388796977. The next prime is 388797001. The reversal of 388796992 is 299697883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 388796992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3963 + ... + 28165.

It is an arithmetic number, because the mean of its divisors is an integer number (27665172).

Almost surely, 2^388796992 is an apocalyptic number.

388796992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

388796992 is a deficient number, since it is larger than the sum of its proper divisors (385827824).

388796992 is a wasteful number, since it uses less digits than its factorization.

388796992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466 (or 24456 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 61.

The square root of 388796992 is about 19717.9357946008. The cubic root of 388796992 is about 729.8623572352.

The spelling of 388796992 in words is "three hundred eighty-eight million, seven hundred ninety-six thousand, nine hundred ninety-two".