812492004 has 24 divisors (see below), whose sum is σ = 1897445088. Its totient is φ = 270597760.

The previous prime is 812491993. The next prime is 812492029. The reversal of 812492004 is 400294218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14277 + ... + 42764.

It is an arithmetic number, because the mean of its divisors is an integer number (79060212).

Almost surely, 2^812492004 is an apocalyptic number.

It is an amenable number.

812492004 is an abundant number, since it is smaller than the sum of its proper divisors (1084953084).

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

812492004 is a wasteful number, since it uses less digits than its factorization.

812492004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58235 (or 58233 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 812492004 is about 28504.2453680149. The cubic root of 812492004 is about 933.1247281523.

It can be divided in two parts, 8124 and 92004, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 812492004 in words is "eight hundred twelve million, four hundred ninety-two thousand, four".