388879568 has 80 divisors (see below), whose sum is σ = 950939136. Its totient is φ = 149646720.

The previous prime is 388879559. The next prime is 388879597. The reversal of 388879568 is 865978883.

It is a self number, because there is not a number n which added to its sum of digits gives 388879568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100355 + ... + 104157.

Almost surely, 2^388879568 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 388879568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475469568).

388879568 is an abundant number, since it is smaller than the sum of its proper divisors (562059568).

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

388879568 is a wasteful number, since it uses less digits than its factorization.

388879568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912 (or 3906 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The square root of 388879568 is about 19720.0296145822. The cubic root of 388879568 is about 729.9140250283.

The spelling of 388879568 in words is "three hundred eighty-eight million, eight hundred seventy-nine thousand, five hundred sixty-eight".