870616 has 8 divisors (see below), whose sum is σ = 1632420. Its totient is φ = 435304.

The previous prime is 870613. The next prime is 870629. The reversal of 870616 is 616078.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54406 + ... + 54421.

2⁸⁷⁰⁶¹⁶ is an apocalyptic number.

It is an amenable number.

870616 is a deficient number, since it is larger than the sum of its proper divisors (761804).

870616 is a wasteful number, since it uses less digits than its factorization.

870616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108833 (or 108829 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 870616 is about 933.0680575392. The cubic root of 870616 is about 95.4865527515.

The spelling of 870616 in words is "eight hundred seventy thousand, six hundred sixteen".