3240431 has 8 divisors (see below), whose sum is σ = 3529200. Its totient is φ = 2963520.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240431 is 1340423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3240431 - 2¹⁴ = 3224047 is a prime.

It is a super-2 number, since 2×3240431² = 21000786131522, 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 (3240451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (441150).

Almost surely, 2^3240431 is an apocalyptic number.

3240431 is a deficient number, since it is larger than the sum of its proper divisors (288769).

3240431 is a wasteful number, since it uses less digits than its factorization.

3240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3240431 is about 1800.1197182410. The cubic root of 3240431 is about 147.9792855109.

Adding to 3240431 its reverse (1340423), we get a palindrome (4580854).

The spelling of 3240431 in words is "three million, two hundred forty thousand, four hundred thirty-one".