812924 has 12 divisors (see below), whose sum is σ = 1625904. Its totient is φ = 348384.

The previous prime is 812921. The next prime is 812939. The reversal of 812924 is 429218.

812924 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 812893 and 812902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812921) 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, 14489 + ... + 14544.

It is an arithmetic number, because the mean of its divisors is an integer number (135492).

2⁸¹²⁹²⁴ is an apocalyptic number.

It is an amenable number.

812924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

812924 is a wasteful number, since it uses less digits than its factorization.

812924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29044 (or 29042 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 812924 is about 901.6229810736. The cubic root of 812924 is about 93.3290077360.

The spelling of 812924 in words is "eight hundred twelve thousand, nine hundred twenty-four".