9008091 has 10 divisors (see below), whose sum is σ = 13456652. Its totient is φ = 6005340.

The previous prime is 9008063. The next prime is 9008101. The reversal of 9008091 is 1908009.

It is not a de Polignac number, because 9008091 - 2⁵ = 9008059 is a prime.

It is a super-2 number, since 2×9008091² = 162291406928562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9004091) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55525 + ... + 55686.

Almost surely, 2^9008091 is an apocalyptic number.

9008091 is a deficient number, since it is larger than the sum of its proper divisors (4448561).

9008091 is a wasteful number, since it uses less digits than its factorization.

9008091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111223 (or 111214 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 9008091 is about 3001.3481970608. The cubic root of 9008091 is about 208.0706968139.

The spelling of 9008091 in words is "nine million, eight thousand, ninety-one".