876840 has 32 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 233792.

The previous prime is 876833. The next prime is 876851. The reversal of 876840 is 48678.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 876840.

It is an unprimeable number.

876840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (82215).

2⁸⁷⁶⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

876840 is an abundant number, since it is smaller than the sum of its proper divisors (1754040).

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

876840 is a wasteful number, since it uses less digits than its factorization.

876840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321 (or 7317 counting only the distinct ones).

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

The square root of 876840 is about 936.3973515554. The cubic root of 876840 is about 95.7135558824.

The spelling of 876840 in words is "eight hundred seventy-six thousand, eight hundred forty".