9040920 has 128 divisors (see below), whose sum is σ = 31795200. Its totient is φ = 2013696.

The previous prime is 9040919. The next prime is 9040931. The reversal of 9040920 is 290409.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39366 + ... + 39594.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

Almost surely, 2^9040920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9040920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15897600).

9040920 is an abundant number, since it is smaller than the sum of its proper divisors (22754280).

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

9040920 is a wasteful number, since it uses less digits than its factorization.

9040920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9040920 is about 3006.8122655064. The cubic root of 9040920 is about 208.3231539915.

The spelling of 9040920 in words is "nine million, forty thousand, nine hundred twenty".