870606 has 24 divisors (see below), whose sum is σ = 2058264. Its totient is φ = 263760.

The previous prime is 870601. The next prime is 870613. The reversal of 870606 is 606078.

870606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 870606.

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 in 11 ways as a sum of consecutive naturals, for example, 2001 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (85761).

2⁸⁷⁰⁶⁰⁶ is an apocalyptic number.

870606 is an abundant number, since it is smaller than the sum of its proper divisors (1187658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870606 is a wasteful number, since it uses less digits than its factorization.

870606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 870606 is about 933.0626988579. The cubic root of 870606 is about 95.4861871601.

The spelling of 870606 in words is "eight hundred seventy thousand, six hundred six".