810996 has 24 divisors (see below), whose sum is σ = 1992480. Its totient is φ = 256032.

The previous prime is 810989. The next prime is 811037. The reversal of 810996 is 699018.

It is a happy number.

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 810996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (83020).

2⁸¹⁰⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

810996 is an abundant number, since it is smaller than the sum of its proper divisors (1181484).

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

810996 is a wasteful number, since it uses less digits than its factorization.

810996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 810996 is about 900.5531633391. The cubic root of 810996 is about 93.2551669805.

The spelling of 810996 in words is "eight hundred ten thousand, nine hundred ninety-six".