388390488 has 16 divisors (see below), whose sum is σ = 970976280. Its totient is φ = 129463488.

The previous prime is 388390481. The next prime is 388390523. The reversal of 388390488 is 884093883.

It is a self number, because there is not a number n which added to its sum of digits gives 388390488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388390481) 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, 8091445 + ... + 8091492.

Almost surely, 2^388390488 is an apocalyptic number.

It is an amenable number.

388390488 is an abundant number, since it is smaller than the sum of its proper divisors (582585792).

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

388390488 is a wasteful number, since it uses less digits than its factorization.

388390488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182946 (or 16182942 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 388390488 is about 19707.6251232867. The cubic root of 388390488 is about 729.6079010234.

The spelling of 388390488 in words is "three hundred eighty-eight million, three hundred ninety thousand, four hundred eighty-eight".