8991059 has 16 divisors (see below), whose sum is σ = 11443200. Its totient is φ = 7003080.

The previous prime is 8991041. The next prime is 8991067. The reversal of 8991059 is 9501998.

It is not a de Polignac number, because 8991059 - 2⁸ = 8990803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8991029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2582 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (715200).

Almost surely, 2^8991059 is an apocalyptic number.

8991059 is a deficient number, since it is larger than the sum of its proper divisors (2452141).

8991059 is a wasteful number, since it uses less digits than its factorization.

8991059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 8991059 is about 2998.5094630499. The cubic root of 8991059 is about 207.9394778920.

The spelling of 8991059 in words is "eight million, nine hundred ninety-one thousand, fifty-nine".