402825908 has 12 divisors (see below), whose sum is σ = 719944512. Its totient is φ = 197127480.

The previous prime is 402825889. The next prime is 402825923. The reversal of 402825908 is 809528204.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071158 + ... + 1071533.

It is an arithmetic number, because the mean of its divisors is an integer number (59995376).

Almost surely, 2^402825908 is an apocalyptic number.

It is an amenable number.

402825908 is a deficient number, since it is larger than the sum of its proper divisors (317118604).

402825908 is a wasteful number, since it uses less digits than its factorization.

402825908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142742 (or 2142740 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 402825908 is about 20070.5233613875. The cubic root of 402825908 is about 738.5373519575.

The spelling of 402825908 in words is "four hundred two million, eight hundred twenty-five thousand, nine hundred eight".