9240431 has 2 divisors, whose sum is σ = 9240432. Its totient is φ = 9240430.

The previous prime is 9240421. The next prime is 9240433. The reversal of 9240431 is 1340429.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9240431 - 2¹⁸ = 8978287 is a prime.

It is a super-2 number, since 2×9240431² = 170771130131522, which contains 22 as substring.

Together with 9240433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9240397 and 9240406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9240433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4620215 + 4620216.

It is an arithmetic number, because the mean of its divisors is an integer number (4620216).

Almost surely, 2^9240431 is an apocalyptic number.

9240431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9240431 is an equidigital number, since it uses as much as digits as its factorization.

9240431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 9240431 is about 3039.8077241826. The cubic root of 9240431 is about 209.8444123434.

The spelling of 9240431 in words is "nine million, two hundred forty thousand, four hundred thirty-one".