9150920 has 16 divisors (see below), whose sum is σ = 20589660. Its totient is φ = 3660352.

The previous prime is 9150919. The next prime is 9150929. The reversal of 9150920 is 290519.

It is a happy number.

9150920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 729316 = 2902^2 + 854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9150920.

It is not an unprimeable number, because it can be changed into a prime (9150929) 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, 114347 + ... + 114426.

Almost surely, 2^9150920 is an apocalyptic number.

It is an amenable number.

9150920 is an abundant number, since it is smaller than the sum of its proper divisors (11438740).

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

9150920 is a wasteful number, since it uses less digits than its factorization.

9150920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228784 (or 228780 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 9150920 is about 3025.0487599376. The cubic root of 9150920 is about 209.1646329931.

The spelling of 9150920 in words is "nine million, one hundred fifty thousand, nine hundred twenty".