408714431 has 4 divisors (see below), whose sum is σ = 408781392. Its totient is φ = 408647472.

The previous prime is 408714413. The next prime is 408714437. The reversal of 408714431 is 134417804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408714431 is a prime.

It is a super-2 number, since 2×408714431² = 334094972215307522, 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 (408714437) 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, 23291 + ... + 36876.

It is an arithmetic number, because the mean of its divisors is an integer number (102195348).

Almost surely, 2^408714431 is an apocalyptic number.

408714431 is a deficient number, since it is larger than the sum of its proper divisors (66961).

408714431 is an equidigital number, since it uses as much as digits as its factorization.

408714431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66960.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 408714431 is about 20216.6869442053. The cubic root of 408714431 is about 742.1186127200.

The spelling of 408714431 in words is "four hundred eight million, seven hundred fourteen thousand, four hundred thirty-one".