870608 has 10 divisors (see below), whose sum is σ = 1686834. Its totient is φ = 435296.

The previous prime is 870601. The next prime is 870613. The reversal of 870608 is 806078.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 110224 = 872^2 + 332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27191 + ... + 27222.

2⁸⁷⁰⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

870608 is a deficient number, since it is larger than the sum of its proper divisors (816226).

870608 is a wasteful number, since it uses less digits than its factorization.

870608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54421 (or 54415 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 870608 is about 933.0637705966. The cubic root of 870608 is about 95.4862602786.

The spelling of 870608 in words is "eight hundred seventy thousand, six hundred eight".