402861674 has 16 divisors (see below), whose sum is σ = 638148480. Its totient is φ = 190213920.

The previous prime is 402861637. The next prime is 402861689. The reversal of 402861674 is 476168204.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 5042 + ... + 28829.

It is an arithmetic number, because the mean of its divisors is an integer number (39884280).

Almost surely, 2^402861674 is an apocalyptic number.

402861674 is a deficient number, since it is larger than the sum of its proper divisors (235286806).

402861674 is a wasteful number, since it uses less digits than its factorization.

402861674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34205.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 402861674 is about 20071.4143497662. The cubic root of 402861674 is about 738.5592089969.

The spelling of 402861674 in words is "four hundred two million, eight hundred sixty-one thousand, six hundred seventy-four".