402974 has 16 divisors (see below), whose sum is σ = 710640. Its totient is φ = 168960.

The previous prime is 402949. The next prime is 402991. The reversal of 402974 is 479204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402974.

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, 419 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (44415).

2⁴⁰²⁹⁷⁴ is an apocalyptic number.

402974 is a deficient number, since it is larger than the sum of its proper divisors (307666).

402974 is a wasteful number, since it uses less digits than its factorization.

402974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 402974 is about 634.8023314387. The cubic root of 402974 is about 73.8627844377.

The spelling of 402974 in words is "four hundred two thousand, nine hundred seventy-four".