8791144 has 16 divisors (see below), whose sum is σ = 16516800. Its totient is φ = 4386672.

The previous prime is 8791121. The next prime is 8791169. The reversal of 8791144 is 4411978.

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, 5169 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (1032300).

Almost surely, 2^8791144 is an apocalyptic number.

It is an amenable number.

8791144 is a deficient number, since it is larger than the sum of its proper divisors (7725656).

8791144 is a wasteful number, since it uses less digits than its factorization.

8791144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2228 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 8791144 is about 2964.9863406093. The cubic root of 8791144 is about 206.3867432344.

The spelling of 8791144 in words is "eight million, seven hundred ninety-one thousand, one hundred forty-four".