388621896 has 64 divisors (see below), whose sum is σ = 1101374400. Its totient is φ = 113280768.

The previous prime is 388621873. The next prime is 388621927. The reversal of 388621896 is 698126883.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 26851 + ... + 38706.

It is an arithmetic number, because the mean of its divisors is an integer number (17208975).

Almost surely, 2^388621896 is an apocalyptic number.

It is an amenable number.

388621896 is an abundant number, since it is smaller than the sum of its proper divisors (712752504).

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

388621896 is a wasteful number, since it uses less digits than its factorization.

388621896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65598 (or 65594 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 388621896 is about 19713.4952760793. The cubic root of 388621896 is about 729.7527754816.

The spelling of 388621896 in words is "three hundred eighty-eight million, six hundred twenty-one thousand, eight hundred ninety-six".