870648 has 16 divisors (see below), whose sum is σ = 2176680. Its totient is φ = 290208.

The previous prime is 870643. The next prime is 870679. The reversal of 870648 is 846078.

870648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870648.

It is not an unprimeable number, because it can be changed into a prime (870641) 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, 18115 + ... + 18162.

2⁸⁷⁰⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

870648 is an abundant number, since it is smaller than the sum of its proper divisors (1306032).

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

870648 is a wasteful number, since it uses less digits than its factorization.

870648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36286 (or 36282 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 870648 is about 933.0852051126. The cubic root of 870648 is about 95.4877226252.

The spelling of 870648 in words is "eight hundred seventy thousand, six hundred forty-eight".