99609600 has 132 divisors (see below), whose sum is σ = 329468744. Its totient is φ = 26542080.

The previous prime is 99609589. The next prime is 99609611. The reversal of 99609600 is 690699.

It is an interprime number because it is at equal distance from previous prime (99609589) and next prime (99609611).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76152 + ... + 77448.

Almost surely, 2^99609600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99609600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164734372).

99609600 is an abundant number, since it is smaller than the sum of its proper divisors (229859144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99609600 is a wasteful number, since it uses less digits than its factorization.

99609600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 99609600 is about 9980.4609112004. The cubic root of 99609600 is about 463.5540701867.

The spelling of 99609600 in words is "ninety-nine million, six hundred nine thousand, six hundred".