402870652 has 24 divisors (see below), whose sum is σ = 739497024. Its totient is φ = 191817792.

The previous prime is 402870647. The next prime is 402870673. The reversal of 402870652 is 256078204.

It is a congruent number.

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, 22003 + ... + 35914.

It is an arithmetic number, because the mean of its divisors is an integer number (30812376).

Almost surely, 2^402870652 is an apocalyptic number.

It is an amenable number.

402870652 is a deficient number, since it is larger than the sum of its proper divisors (336626372).

402870652 is a wasteful number, since it uses less digits than its factorization.

402870652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58005 (or 58003 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 402870652 is about 20071.6379999242. The cubic root of 402870652 is about 738.5646953593.

The spelling of 402870652 in words is "four hundred two million, eight hundred seventy thousand, six hundred fifty-two".