912804 has 48 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 282240.

The previous prime is 912799. The next prime is 912809. The reversal of 912804 is 408219.

It is an interprime number because it is at equal distance from previous prime (912799) and next prime (912809).

It is a super-2 number, since 2×912804² = 1666422284832, which contains 22 as substring.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (912809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14934 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (47740).

2⁹¹²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145760).

912804 is an abundant number, since it is smaller than the sum of its proper divisors (1378716).

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

912804 is a wasteful number, since it uses less digits than its factorization.

912804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 912804 is about 955.4077663490. The cubic root of 912804 is about 97.0046407246.

The spelling of 912804 in words is "nine hundred twelve thousand, eight hundred four".