99609908 has 12 divisors (see below), whose sum is σ = 174441120. Its totient is φ = 49769592.

The previous prime is 99609899. The next prime is 99609929. The reversal of 99609908 is 80990699.

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, 1898 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (14536760).

Almost surely, 2^99609908 is an apocalyptic number.

It is an amenable number.

99609908 is a deficient number, since it is larger than the sum of its proper divisors (74831212).

99609908 is a wasteful number, since it uses less digits than its factorization.

99609908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17686 (or 17684 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 99609908 is about 9980.4763413376. The cubic root of 99609908 is about 463.5545479670.

The spelling of 99609908 in words is "ninety-nine million, six hundred nine thousand, nine hundred eight".