9140431 has 4 divisors (see below), whose sum is σ = 9151200. Its totient is φ = 9129664.

The previous prime is 9140429. The next prime is 9140437. The reversal of 9140431 is 1340419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9140431 - 2¹ = 9140429 is a prime.

It is a super-2 number, since 2×9140431² = 167094957731522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140437) 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, 3991 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (2287800).

Almost surely, 2^9140431 is an apocalyptic number.

9140431 is a deficient number, since it is larger than the sum of its proper divisors (10769).

9140431 is an equidigital number, since it uses as much as digits as its factorization.

9140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9140431 is about 3023.3145717904. The cubic root of 9140431 is about 209.0846859636.

The spelling of 9140431 in words is "nine million, one hundred forty thousand, four hundred thirty-one".