870395 has 4 divisors (see below), whose sum is σ = 1044480. Its totient is φ = 696312.

The previous prime is 870391. The next prime is 870403. The reversal of 870395 is 593078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870395 - 2² = 870391 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (870391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87035 + ... + 87044.

It is an arithmetic number, because the mean of its divisors is an integer number (261120).

2⁸⁷⁰³⁹⁵ is an apocalyptic number.

870395 is a deficient number, since it is larger than the sum of its proper divisors (174085).

870395 is a wasteful number, since it uses less digits than its factorization.

870395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174084.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 870395 is about 932.9496235060. The cubic root of 870395 is about 95.4784725286.

The spelling of 870395 in words is "eight hundred seventy thousand, three hundred ninety-five".