2392131 has 12 divisors (see below), whose sum is σ = 3710472. Its totient is φ = 1366848.

The previous prime is 2392127. The next prime is 2392139. The reversal of 2392131 is 1312932.

It is a happy number.

It is not a de Polignac number, because 2392131 - 2² = 2392127 is a prime.

It is a super-2 number, since 2×2392131² = 11444581442322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

2392131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2392098 and 2392107.

It is not an unprimeable number, because it can be changed into a prime (2392139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7990 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (309206).

2^2392131 is an apocalyptic number.

2392131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2392131 is a deficient number, since it is larger than the sum of its proper divisors (1318341).

2392131 is a wasteful number, since it uses less digits than its factorization.

2392131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290 (or 16283 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 2392131 is about 1546.6515444663. The cubic root of 2392131 is about 133.7401029157.

The spelling of 2392131 in words is "two million, three hundred ninety-two thousand, one hundred thirty-one".