813876 has 24 divisors (see below), whose sum is σ = 2170560. Its totient is φ = 232512.

The previous prime is 813871. The next prime is 813893. The reversal of 813876 is 678318.

813876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

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 813876.

It is not an unprimeable number, because it can be changed into a prime (813871) 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, 4761 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (90440).

2⁸¹³⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

813876 is an abundant number, since it is smaller than the sum of its proper divisors (1356684).

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

813876 is a wasteful number, since it uses less digits than its factorization.

813876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703 (or 9701 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 813876 is about 902.1507634536. The cubic root of 813876 is about 93.3654254720.

The spelling of 813876 in words is "eight hundred thirteen thousand, eight hundred seventy-six".