812802632 has 16 divisors (see below), whose sum is σ = 1524322800. Its totient is φ = 406316560.

The previous prime is 812802611. The next prime is 812802689. The reversal of 812802632 is 236208218.

It is a super-2 number, since 2×812802632² = 1321296237172254848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51719 + ... + 65577.

It is an arithmetic number, because the mean of its divisors is an integer number (95270175).

Almost surely, 2^812802632 is an apocalyptic number.

It is an amenable number.

812802632 is a deficient number, since it is larger than the sum of its proper divisors (711520168).

812802632 is a wasteful number, since it uses less digits than its factorization.

812802632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21196 (or 21192 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 812802632 is about 28509.6936497045. The cubic root of 812802632 is about 933.2436289070.

The spelling of 812802632 in words is "eight hundred twelve million, eight hundred two thousand, six hundred thirty-two".