99985608 has 48 divisors (see below), whose sum is σ = 274622400. Its totient is φ = 32857440.

The previous prime is 99985603. The next prime is 99985637. The reversal of 99985608 is 80658999.

It is not an unprimeable number, because it can be changed into a prime (99985603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4668 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (5721300).

Almost surely, 2^99985608 is an apocalyptic number.

It is an amenable number.

99985608 is an abundant number, since it is smaller than the sum of its proper divisors (174636792).

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

99985608 is a wasteful number, since it uses less digits than its factorization.

99985608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19642 (or 19635 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 99985608 is about 9999.2803741069. The cubic root of 99985608 is about 464.1366150441.

The spelling of 99985608 in words is "ninety-nine million, nine hundred eighty-five thousand, six hundred eight".