876820 has 24 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 300576.

The previous prime is 876817. The next prime is 876823. The reversal of 876820 is 28678.

It is an interprime number because it is at equal distance from previous prime (876817) and next prime (876823).

It is a hoax number, since the sum of its digits (31) 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 (876823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2992 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2⁸⁷⁶⁸²⁰ is an apocalyptic number.

It is an amenable number.

876820 is an abundant number, since it is smaller than the sum of its proper divisors (1227884).

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

876820 is a wasteful number, since it uses less digits than its factorization.

876820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6277 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 876820 is about 936.3866722674. The cubic root of 876820 is about 95.7128281610.

The spelling of 876820 in words is "eight hundred seventy-six thousand, eight hundred twenty".