823916 has 24 divisors (see below), whose sum is σ = 1564080. Its totient is φ = 378432.

The previous prime is 823913. The next prime is 823961. The reversal of 823916 is 619328.

It is not an unprimeable number, because it can be changed into a prime (823913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (65170).

2⁸²³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

823916 is a deficient number, since it is larger than the sum of its proper divisors (740164).

823916 is a wasteful number, since it uses less digits than its factorization.

823916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 351 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 823916 is about 907.6981877254. The cubic root of 823916 is about 93.7477771325.

The spelling of 823916 in words is "eight hundred twenty-three thousand, nine hundred sixteen".