822904 has 16 divisors (see below), whose sum is σ = 1596600. Its totient is φ = 397152.

The previous prime is 822901. The next prime is 822907. The reversal of 822904 is 409228.

822904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (822901) and next prime (822907).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542 + ... + 2005.

2⁸²²⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

822904 is a deficient number, since it is larger than the sum of its proper divisors (773696).

822904 is a wasteful number, since it uses less digits than its factorization.

822904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 822904 is about 907.1405624268. The cubic root of 822904 is about 93.7093785496.

The spelling of 822904 in words is "eight hundred twenty-two thousand, nine hundred four".