9901608 has 16 divisors (see below), whose sum is σ = 24754080. Its totient is φ = 3300528.

The previous prime is 9901601. The next prime is 9901609. The reversal of 9901608 is 8061099.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9901601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206260 + ... + 206307.

It is an arithmetic number, because the mean of its divisors is an integer number (1547130).

Almost surely, 2^9901608 is an apocalyptic number.

It is an amenable number.

9901608 is an abundant number, since it is smaller than the sum of its proper divisors (14852472).

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

9901608 is a wasteful number, since it uses less digits than its factorization.

9901608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412576 (or 412572 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 9901608 is about 3146.6820621092. The cubic root of 9901608 is about 214.7345416749.

The spelling of 9901608 in words is "nine million, nine hundred one thousand, six hundred eight".