99683812 has 12 divisors (see below), whose sum is σ = 176141056. Its totient is φ = 49357800.

The previous prime is 99683807. The next prime is 99683813. The reversal of 99683812 is 21838699.

It is not an unprimeable number, because it can be changed into a prime (99683813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120564 + ... + 121387.

Almost surely, 2^99683812 is an apocalyptic number.

It is an amenable number.

99683812 is a deficient number, since it is larger than the sum of its proper divisors (76457244).

99683812 is a wasteful number, since it uses less digits than its factorization.

99683812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242058 (or 242056 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 99683812 is about 9984.1780833477. The cubic root of 99683812 is about 463.6691619546.

The spelling of 99683812 in words is "ninety-nine million, six hundred eighty-three thousand, eight hundred twelve".