812396192 has 12 divisors (see below), whose sum is σ = 1599405066. Its totient is φ = 406198080.

The previous prime is 812396191. The next prime is 812396219. The reversal of 812396192 is 291693218.

It can be written as a sum of positive squares in only one way, i.e., 440832016 + 371564176 = 20996^2 + 19276^2 .

It is a super-2 number, since 2×812396192² = 1319975145552201728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812396191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12693659 + ... + 12693722.

Almost surely, 2^812396192 is an apocalyptic number.

It is an amenable number.

812396192 is a deficient number, since it is larger than the sum of its proper divisors (787008874).

812396192 is a wasteful number, since it uses less digits than its factorization.

812396192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387391 (or 25387383 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 812396192 is about 28502.5646565357. The cubic root of 812396192 is about 933.0880475612.

The spelling of 812396192 in words is "eight hundred twelve million, three hundred ninety-six thousand, one hundred ninety-two".