822996 has 18 divisors (see below), whose sum is σ = 2080442. Its totient is φ = 274320.

The previous prime is 822989. The next prime is 823001. The reversal of 822996 is 699228.

822996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 12996 = 900^2 + 114^2 .

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: 22861 = 822996 / (8 + 2 + 2 + 9 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 822996.

It is a congruent number.

It is an unprimeable number.

822996 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, 11395 + ... + 11466.

2⁸²²⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

822996 is an abundant number, since it is smaller than the sum of its proper divisors (1257446).

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

822996 is a wasteful number, since it uses less digits than its factorization.

822996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22871 (or 22866 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 822996 is about 907.1912697993. The cubic root of 822996 is about 93.7128706303.

The spelling of 822996 in words is "eight hundred twenty-two thousand, nine hundred ninety-six".