99712408 has 16 divisors (see below), whose sum is σ = 187146000. Its totient is φ = 49806816.

The previous prime is 99712387. The next prime is 99712421. The reversal of 99712408 is 80421799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (11696625).

Almost surely, 2^99712408 is an apocalyptic number.

It is an amenable number.

99712408 is a deficient number, since it is larger than the sum of its proper divisors (87433592).

99712408 is a wasteful number, since it uses less digits than its factorization.

99712408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354 (or 12350 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 99712408 is about 9985.6100464619. The cubic root of 99712408 is about 463.7134948488.

The spelling of 99712408 in words is "ninety-nine million, seven hundred twelve thousand, four hundred eight".