99809932 has 6 divisors (see below), whose sum is σ = 174667388. Its totient is φ = 49904964.

The previous prime is 99809911. The next prime is 99809933. The reversal of 99809932 is 23990899.

It is not an unprimeable number, because it can be changed into a prime (99809933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12476238 + ... + 12476245.

Almost surely, 2^99809932 is an apocalyptic number.

It is an amenable number.

99809932 is a deficient number, since it is larger than the sum of its proper divisors (74857456).

99809932 is a wasteful number, since it uses less digits than its factorization.

99809932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952487 (or 24952485 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 99809932 is about 9990.4920799728. The cubic root of 99809932 is about 463.8646243496.

The spelling of 99809932 in words is "ninety-nine million, eight hundred nine thousand, nine hundred thirty-two".