8814991 has 12 divisors (see below), whose sum is σ = 9319968. Its totient is φ = 8332992.

The previous prime is 8814983. The next prime is 8815007. The reversal of 8814991 is 1994188.

It is not a de Polignac number, because 8814991 - 2³ = 8814983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8814901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64275 + ... + 64411.

It is an arithmetic number, because the mean of its divisors is an integer number (776664).

Almost surely, 2^8814991 is an apocalyptic number.

8814991 is a deficient number, since it is larger than the sum of its proper divisors (504977).

8814991 is a wasteful number, since it uses less digits than its factorization.

8814991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 221 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 8814991 is about 2969.0050522018. The cubic root of 8814991 is about 206.5731907597.

The spelling of 8814991 in words is "eight million, eight hundred fourteen thousand, nine hundred ninety-one".