99289012 has 6 divisors (see below), whose sum is σ = 173755778. Its totient is φ = 49644504.

The previous prime is 99289009. The next prime is 99289031. The reversal of 99289012 is 21098299.

It can be written as a sum of positive squares in only one way, i.e., 58890276 + 40398736 = 7674^2 + 6356^2 .

It is a super-2 number, since 2×99289012² = 19716615807872288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12411123 + ... + 12411130.

Almost surely, 2^99289012 is an apocalyptic number.

It is an amenable number.

99289012 is a deficient number, since it is larger than the sum of its proper divisors (74466766).

99289012 is a wasteful number, since it uses less digits than its factorization.

99289012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24822257 (or 24822255 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 99289012 is about 9964.3871863753. The cubic root of 99289012 is about 463.0562279813.

The spelling of 99289012 in words is "ninety-nine million, two hundred eighty-nine thousand, twelve".