402738804 has 60 divisors (see below), whose sum is σ = 1133838244. Its totient is φ = 123918336.

The previous prime is 402738793. The next prime is 402738811. The reversal of 402738804 is 408837204.

It can be written as a sum of positive squares in 2 ways, for example, as 71571600 + 331167204 = 8460^2 + 18198^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43597 + ... + 52020.

Almost surely, 2^402738804 is an apocalyptic number.

It is an amenable number.

402738804 is an abundant number, since it is smaller than the sum of its proper divisors (731099440).

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

402738804 is a wasteful number, since it uses less digits than its factorization.

402738804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95646 (or 95635 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 402738804 is about 20068.3532956743. The cubic root of 402738804 is about 738.4841162268.

The spelling of 402738804 in words is "four hundred two million, seven hundred thirty-eight thousand, eight hundred four".