9481231 has 4 divisors (see below), whose sum is σ = 9808200. Its totient is φ = 9154264.

The previous prime is 9481217. The next prime is 9481249. The reversal of 9481231 is 1321849.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9481231 - 2²¹ = 7384079 is a prime.

It is a super-2 number, since 2×9481231² = 179787482550722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9481231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163441 + ... + 163498.

It is an arithmetic number, because the mean of its divisors is an integer number (2452050).

Almost surely, 2^9481231 is an apocalyptic number.

9481231 is a deficient number, since it is larger than the sum of its proper divisors (326969).

9481231 is a wasteful number, since it uses less digits than its factorization.

9481231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326968.

The product of its digits is 1728, while the sum is 28.

The square root of 9481231 is about 3079.1607622857. The cubic root of 9481231 is about 211.6516097611.

The spelling of 9481231 in words is "nine million, four hundred eighty-one thousand, two hundred thirty-one".