388406802 has 32 divisors (see below), whose sum is σ = 918403200. Its totient is φ = 107146368.

The previous prime is 388406789. The next prime is 388406813. The reversal of 388406802 is 208604883.

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, 158227 + ... + 160662.

It is an arithmetic number, because the mean of its divisors is an integer number (28700100).

Almost surely, 2^388406802 is an apocalyptic number.

388406802 is an abundant number, since it is smaller than the sum of its proper divisors (529996398).

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

388406802 is a wasteful number, since it uses less digits than its factorization.

388406802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318930.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 388406802 is about 19708.0390196488. The cubic root of 388406802 is about 729.6181163926.

The spelling of 388406802 in words is "three hundred eighty-eight million, four hundred six thousand, eight hundred two".