912823994 has 12 divisors (see below), whose sum is σ = 1376479566. Its totient is φ = 454010112.

The previous prime is 912823949. The next prime is 912824009. The reversal of 912823994 is 499328219.

It can be written as a sum of positive squares in 3 ways, for example, as 561073969 + 351750025 = 23687^2 + 18755^2 .

It is a super-2 number, since 2×912823994² = 1666495288044224072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68372 + ... + 80624.

Almost surely, 2^912823994 is an apocalyptic number.

912823994 is a deficient number, since it is larger than the sum of its proper divisors (463655572).

912823994 is a wasteful number, since it uses less digits than its factorization.

912823994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641 (or 12448 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 912823994 is about 30212.9772448860. The cubic root of 912823994 is about 970.0534898055.

The spelling of 912823994 in words is "nine hundred twelve million, eight hundred twenty-three thousand, nine hundred ninety-four".