8538231 has 32 divisors (see below), whose sum is σ = 12929728. Its totient is φ = 4976640.

The previous prime is 8538227. The next prime is 8538259. The reversal of 8538231 is 1328358.

It is a happy number.

It is not a de Polignac number, because 8538231 - 2² = 8538227 is a prime.

It is a super-2 number, since 2×8538231² = 145802777218722, which contains 22 as substring.

It is a Duffinian number.

8538231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538281) 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, 87975 + ... + 88071.

It is an arithmetic number, because the mean of its divisors is an integer number (404054).

Almost surely, 2^8538231 is an apocalyptic number.

8538231 is a deficient number, since it is larger than the sum of its proper divisors (4391497).

8538231 is a wasteful number, since it uses less digits than its factorization.

8538231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its digits is 5760, while the sum is 30.

The square root of 8538231 is about 2922.0251538958. The cubic root of 8538231 is about 204.3882695796.

The spelling of 8538231 in words is "eight million, five hundred thirty-eight thousand, two hundred thirty-one".