870452 has 24 divisors (see below), whose sum is σ = 1690752. Its totient is φ = 388800.

The previous prime is 870437. The next prime is 870461. The reversal of 870452 is 254078.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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 870452.

It is an unprimeable number.

870452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3077 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (70448).

2⁸⁷⁰⁴⁵² is an apocalyptic number.

It is an amenable number.

870452 is a deficient number, since it is larger than the sum of its proper divisors (820300).

870452 is a wasteful number, since it uses less digits than its factorization.

870452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 870452 is about 932.9801712791. The cubic root of 870452 is about 95.4805566989.

The spelling of 870452 in words is "eight hundred seventy thousand, four hundred fifty-two".