876864 has 28 divisors (see below), whose sum is σ = 2320544. Its totient is φ = 292224.

The previous prime is 876853. The next prime is 876871. The reversal of 876864 is 468678.

It is a congruent number.

It is an unprimeable number.

876864 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092 + ... + 2475.

2⁸⁷⁶⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

876864 is an abundant number, since it is smaller than the sum of its proper divisors (1443680).

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

876864 is a wasteful number, since it uses less digits than its factorization.

876864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582 (or 4572 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 876864 is about 936.4101665403. The cubic root of 876864 is about 95.7144291334.

The spelling of 876864 in words is "eight hundred seventy-six thousand, eight hundred sixty-four".