9911472 has 20 divisors (see below), whose sum is σ = 25604760. Its totient is φ = 3303808.

The previous prime is 9911471. The next prime is 9911497. The reversal of 9911472 is 2741199.

9911472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9911471) 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, 103197 + ... + 103292.

It is an arithmetic number, because the mean of its divisors is an integer number (1280238).

Almost surely, 2^9911472 is an apocalyptic number.

It is an amenable number.

9911472 is an abundant number, since it is smaller than the sum of its proper divisors (15693288).

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

9911472 is a wasteful number, since it uses less digits than its factorization.

9911472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206500 (or 206494 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 9911472 is about 3148.2490371634. The cubic root of 9911472 is about 214.8058243239.

The spelling of 9911472 in words is "nine million, nine hundred eleven thousand, four hundred seventy-two".