2397231 has 6 divisors (see below), whose sum is σ = 3462680. Its totient is φ = 1598148.

The previous prime is 2397217. The next prime is 2397251. The reversal of 2397231 is 1327932.

It is not a de Polignac number, because 2397231 - 2⁶ = 2397167 is a prime.

It is a super-2 number, since 2×2397231² = 11493432934722, 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 = 2397195 and 2397204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397251) 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, 133171 + ... + 133188.

2^2397231 is an apocalyptic number.

2397231 is a deficient number, since it is larger than the sum of its proper divisors (1065449).

2397231 is a wasteful number, since it uses less digits than its factorization.

2397231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266365 (or 266362 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2397231 is about 1548.2993896530. The cubic root of 2397231 is about 133.8350796502.

It can be divided in two parts, 2397 and 231, that added together give a triangular number (2628 = T₇₂).

The spelling of 2397231 in words is "two million, three hundred ninety-seven thousand, two hundred thirty-one".