9900740 has 12 divisors (see below), whose sum is σ = 20791596. Its totient is φ = 3960288.

The previous prime is 9900733. The next prime is 9900757. The reversal of 9900740 is 470099.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 8868484 = 1016^2 + 2978^2 .

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, 247499 + ... + 247538.

It is an arithmetic number, because the mean of its divisors is an integer number (1732633).

Almost surely, 2^9900740 is an apocalyptic number.

It is an amenable number.

9900740 is an abundant number, since it is smaller than the sum of its proper divisors (10890856).

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

9900740 is a wasteful number, since it uses less digits than its factorization.

9900740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495046 (or 495044 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 9900740 is about 3146.5441360324. The cubic root of 9900740 is about 214.7282667672.

The spelling of 9900740 in words is "nine million, nine hundred thousand, seven hundred forty".