908231 has 4 divisors (see below), whose sum is σ = 910200. Its totient is φ = 906264.

The previous prime is 908221. The next prime is 908233. The reversal of 908231 is 132809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132809 = 59 ⋅2251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-908231 is a prime.

It is a super-2 number, since 2×908231² = 1649767098722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 908197 and 908206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (908233) 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, 125 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (227550).

2⁹⁰⁸²³¹ is an apocalyptic number.

908231 is a deficient number, since it is larger than the sum of its proper divisors (1969).

908231 is a wasteful number, since it uses less digits than its factorization.

908231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 908231 is about 953.0115424275. The cubic root of 908231 is about 96.8423769445.

The spelling of 908231 in words is "nine hundred eight thousand, two hundred thirty-one".