99913608 has 64 divisors (see below), whose sum is σ = 282124800. Its totient is φ = 32754240.

The previous prime is 99913601. The next prime is 99913637. The reversal of 99913608 is 80631999.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99913601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9385 + ... + 16967.

It is an arithmetic number, because the mean of its divisors is an integer number (4408200).

Almost surely, 2^99913608 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 99913608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141062400).

99913608 is an abundant number, since it is smaller than the sum of its proper divisors (182211192).

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

99913608 is a wasteful number, since it uses less digits than its factorization.

99913608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659 (or 7649 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 99913608 is about 9995.6794666496. The cubic root of 99913608 is about 464.0251794699.

The spelling of 99913608 in words is "ninety-nine million, nine hundred thirteen thousand, six hundred eight".