9900860 has 12 divisors (see below), whose sum is σ = 20791848. Its totient is φ = 3960336.

The previous prime is 9900859. The next prime is 9900883. The reversal of 9900860 is 680099.

It is a happy number.

9900860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 247502 + ... + 247541.

It is an arithmetic number, because the mean of its divisors is an integer number (1732654).

Almost surely, 2^9900860 is an apocalyptic number.

It is an amenable number.

9900860 is an abundant number, since it is smaller than the sum of its proper divisors (10890988).

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

9900860 is a wasteful number, since it uses less digits than its factorization.

9900860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495052 (or 495050 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9900860 is about 3146.5632045138. The cubic root of 9900860 is about 214.7291342878.

The spelling of 9900860 in words is "nine million, nine hundred thousand, eight hundred sixty".