816876 has 18 divisors (see below), whose sum is σ = 2064972. Its totient is φ = 272280.

The previous prime is 816869. The next prime is 816883. The reversal of 816876 is 678618.

816876 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (816869) and next prime (816883).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 22691 = 816876 / (8 + 1 + 6 + 8 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 816876.

It is an unprimeable number.

816876 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 5 ways as a sum of consecutive naturals, for example, 11310 + ... + 11381.

2⁸¹⁶⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

816876 is an abundant number, since it is smaller than the sum of its proper divisors (1248096).

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

816876 is a wasteful number, since it uses less digits than its factorization.

816876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701 (or 22696 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 816876 is about 903.8119273389. The cubic root of 816876 is about 93.4800018237.

The spelling of 816876 in words is "eight hundred sixteen thousand, eight hundred seventy-six".