9120844 has 12 divisors (see below), whose sum is σ = 16200184. Its totient is φ = 4492224.

The previous prime is 9120829. The next prime is 9120871. The reversal of 9120844 is 4480219.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16749 + ... + 17284.

Almost surely, 2^9120844 is an apocalyptic number.

It is an amenable number.

9120844 is a deficient number, since it is larger than the sum of its proper divisors (7079340).

9120844 is a wasteful number, since it uses less digits than its factorization.

9120844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34104 (or 34102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9120844 is about 3020.0735090391. The cubic root of 9120844 is about 208.9352301911.

The spelling of 9120844 in words is "nine million, one hundred twenty thousand, eight hundred forty-four".