9089091 has 30 divisors (see below), whose sum is σ = 14959956. Its totient is φ = 5454000.

The previous prime is 9089077. The next prime is 9089123. The reversal of 9089091 is 1909809.

It is not a de Polignac number, because 9089091 - 2⁹ = 9088579 is a prime.

It is a super-2 number, since 2×9089091² = 165223150412562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9089021) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 89941 + ... + 90041.

Almost surely, 2^9089091 is an apocalyptic number.

9089091 is a deficient number, since it is larger than the sum of its proper divisors (5870865).

9089091 is a wasteful number, since it uses less digits than its factorization.

9089091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 9089091 is about 3014.8119344331. The cubic root of 9089091 is about 208.6924882503.

It can be divided in two parts, 908 and 9091, that added together give a palindrome (9999).

The spelling of 9089091 in words is "nine million, eighty-nine thousand, ninety-one".