870402 has 16 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 267792.

The previous prime is 870391. The next prime is 870403. The reversal of 870402 is 204078.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (870403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2⁸⁷⁰⁴⁰² is an apocalyptic number.

870402 is an abundant number, since it is smaller than the sum of its proper divisors (1004478).

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

870402 is a wasteful number, since it uses less digits than its factorization.

870402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 870402 is about 932.9533750408. The cubic root of 870402 is about 95.4787284842.

The spelling of 870402 in words is "eight hundred seventy thousand, four hundred two".