388039432 has 32 divisors (see below), whose sum is σ = 835495200. Its totient is φ = 167097600.

The previous prime is 388039429. The next prime is 388039441. The reversal of 388039432 is 234930883.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114369 + ... + 117712.

It is an arithmetic number, because the mean of its divisors is an integer number (26109225).

Almost surely, 2^388039432 is an apocalyptic number.

It is an amenable number.

388039432 is an abundant number, since it is smaller than the sum of its proper divisors (447455768).

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

388039432 is a wasteful number, since it uses less digits than its factorization.

388039432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232117 (or 232113 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 388039432 is about 19698.7165064123. The cubic root of 388039432 is about 729.3880102617.

The spelling of 388039432 in words is "three hundred eighty-eight million, thirty-nine thousand, four hundred thirty-two".