9085491 has 6 divisors (see below), whose sum is σ = 13123500. Its totient is φ = 6056988.

The previous prime is 9085481. The next prime is 9085493. The reversal of 9085491 is 1945809.

9085491 is a `hidden beast` number, since 90 + 85 + 491 = 666.

It is not a de Polignac number, because 9085491 - 2¹¹ = 9083443 is a prime.

It is a super-2 number, since 2×9085491² = 165092293422162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9085493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504741 + ... + 504758.

It is an arithmetic number, because the mean of its divisors is an integer number (2187250).

Almost surely, 2^9085491 is an apocalyptic number.

9085491 is a deficient number, since it is larger than the sum of its proper divisors (4038009).

9085491 is a wasteful number, since it uses less digits than its factorization.

9085491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009505 (or 1009502 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 9085491 is about 3014.2148231339. The cubic root of 9085491 is about 208.6649316930.

The spelling of 9085491 in words is "nine million, eighty-five thousand, four hundred ninety-one".