870375 has 32 divisors (see below), whose sum is σ = 1587456. Its totient is φ = 420000.

The previous prime is 870367. The next prime is 870391. The reversal of 870375 is 573078.

It is not a de Polignac number, because 870375 - 2³ = 870367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4020 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (49608).

2⁸⁷⁰³⁷⁵ is an apocalyptic number.

870375 is a deficient number, since it is larger than the sum of its proper divisors (717081).

870375 is a wasteful number, since it uses less digits than its factorization.

870375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 870375 is about 932.9389047521. The cubic root of 870375 is about 95.4777412192.

It can be divided in two parts, 8703 and 75, that added together give a palindrome (8778).

The spelling of 870375 in words is "eight hundred seventy thousand, three hundred seventy-five".