9009231 has 32 divisors (see below), whose sum is σ = 15341568. Its totient is φ = 4566240.

The previous prime is 9009229. The next prime is 9009277. The reversal of 9009231 is 1329009.

It is a happy number.

9009231 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9009231 - 2¹ = 9009229 is a prime.

It is a super-2 number, since 2×9009231² = 162332486422722, which contains 22 as substring.

9009231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9480 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (479424).

Almost surely, 2^9009231 is an apocalyptic number.

9009231 is a deficient number, since it is larger than the sum of its proper divisors (6332337).

9009231 is a wasteful number, since it uses less digits than its factorization.

9009231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9009231 is about 3001.5381057051. The cubic root of 9009231 is about 208.0794737601.

The spelling of 9009231 in words is "nine million, nine thousand, two hundred thirty-one".