402007874 has 16 divisors (see below), whose sum is σ = 640029600. Its totient is φ = 188721984.

The previous prime is 402007847. The next prime is 402007883. The reversal of 402007874 is 478700204.

It is a super-2 number, since 2×402007874² = 323220661515999752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402007874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (40001850).

Almost surely, 2^402007874 is an apocalyptic number.

402007874 is a deficient number, since it is larger than the sum of its proper divisors (238021726).

402007874 is a wasteful number, since it uses less digits than its factorization.

402007874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28657.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 402007874 is about 20050.1340145147. The cubic root of 402007874 is about 738.0370878069.

The spelling of 402007874 in words is "four hundred two million, seven thousand, eight hundred seventy-four".