9159040 has 64 divisors (see below), whose sum is σ = 23904720. Its totient is φ = 3328000.

The previous prime is 9159013. The next prime is 9159049. The reversal of 9159040 is 409519.

9159040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9159049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6390 + ... + 7690.

Almost surely, 2^9159040 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 9159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952360).

9159040 is an abundant number, since it is smaller than the sum of its proper divisors (14745680).

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

9159040 is a wasteful number, since it uses less digits than its factorization.

9159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9159040 is about 3026.3905894646. The cubic root of 9159040 is about 209.2264815908.

The spelling of 9159040 in words is "nine million, one hundred fifty-nine thousand, forty".