9057840 has 160 divisors (see below), whose sum is σ = 31712256. Its totient is φ = 2119680.

The previous prime is 9057833. The next prime is 9057847. The reversal of 9057840 is 487509.

It is an interprime number because it is at equal distance from previous prime (9057833) and next prime (9057847).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (9057847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124044 + ... + 124116.

Almost surely, 2^9057840 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 9057840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15856128).

9057840 is an abundant number, since it is smaller than the sum of its proper divisors (22654416).

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

9057840 is a wasteful number, since it uses less digits than its factorization.

9057840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 9057840 is about 3009.6245613033. The cubic root of 9057840 is about 208.4530313032.

The spelling of 9057840 in words is "nine million, fifty-seven thousand, eight hundred forty".