5706439 has 4 divisors (see below), whose sum is σ = 5716656. Its totient is φ = 5696224.

The previous prime is 5706427. The next prime is 5706443. The reversal of 5706439 is 9346075.

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-5706439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5706409) 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, 4219 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (1429164).

Almost surely, 2^5706439 is an apocalyptic number.

5706439 is a deficient number, since it is larger than the sum of its proper divisors (10217).

5706439 is an equidigital number, since it uses as much as digits as its factorization.

5706439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 5706439 is about 2388.8153968024. The cubic root of 5706439 is about 178.6988371349.

The spelling of 5706439 in words is "five million, seven hundred six thousand, four hundred thirty-nine".