9408431 has 2 divisors, whose sum is σ = 9408432. Its totient is φ = 9408430.

The previous prime is 9408391. The next prime is 9408433. The reversal of 9408431 is 1348049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9408431 - 2¹⁰ = 9407407 is a prime.

It is a super-2 number, since 2×9408431² = 177037147763522, which contains 22 as substring.

Together with 9408433, 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 = 9408394 and 9408403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9408433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4704215 + 4704216.

It is an arithmetic number, because the mean of its divisors is an integer number (4704216).

Almost surely, 2^9408431 is an apocalyptic number.

9408431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9408431 is an equidigital number, since it uses as much as digits as its factorization.

9408431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9408431 is about 3067.3165796833. The cubic root of 9408431 is about 211.1085071906.

The spelling of 9408431 in words is "nine million, four hundred eight thousand, four hundred thirty-one".