823896 has 24 divisors (see below), whose sum is σ = 2231580. Its totient is φ = 274608.

The previous prime is 823877. The next prime is 823903. The reversal of 823896 is 698328.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 823896.

It is a congruent number.

It is an unprimeable number.

823896 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, 5650 + ... + 5793.

2⁸²³⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

823896 is an abundant number, since it is smaller than the sum of its proper divisors (1407684).

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

823896 is a wasteful number, since it uses less digits than its factorization.

823896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455 (or 11448 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 823896 is about 907.6871707808. The cubic root of 823896 is about 93.7470185719.

The spelling of 823896 in words is "eight hundred twenty-three thousand, eight hundred ninety-six".