388900572 has 12 divisors (see below), whose sum is σ = 907434696. Its totient is φ = 129633520.

The previous prime is 388900571. The next prime is 388900609. The reversal of 388900572 is 275009883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388900571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16204179 + ... + 16204202.

It is an arithmetic number, because the mean of its divisors is an integer number (75619558).

Almost surely, 2^388900572 is an apocalyptic number.

It is an amenable number.

388900572 is an abundant number, since it is smaller than the sum of its proper divisors (518534124).

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

388900572 is a wasteful number, since it uses less digits than its factorization.

388900572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32408388 (or 32408386 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 388900572 is about 19720.5621623726. The cubic root of 388900572 is about 729.9271660617.

The spelling of 388900572 in words is "three hundred eighty-eight million, nine hundred thousand, five hundred seventy-two".