823868 has 6 divisors (see below), whose sum is σ = 1441776. Its totient is φ = 411932.

The previous prime is 823843. The next prime is 823877. The reversal of 823868 is 868328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102980 + ... + 102987.

It is an arithmetic number, because the mean of its divisors is an integer number (240296).

2⁸²³⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

823868 is a deficient number, since it is larger than the sum of its proper divisors (617908).

823868 is a wasteful number, since it uses less digits than its factorization.

823868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205971 (or 205969 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 823868 is about 907.6717468336. The cubic root of 823868 is about 93.7459565664.

The spelling of 823868 in words is "eight hundred twenty-three thousand, eight hundred sixty-eight".