56789839 has 8 divisors (see below), whose sum is σ = 57883392. Its totient is φ = 55704960.

The previous prime is 56789833. The next prime is 56789867. The reversal of 56789839 is 93898765.

It is a happy number.

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 56789839 - 2⁵ = 56789807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56789839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56789833) 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, 11907 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (7235424).

Almost surely, 2^56789839 is an apocalyptic number.

56789839 is a deficient number, since it is larger than the sum of its proper divisors (1093553).

56789839 is a wasteful number, since it uses less digits than its factorization.

56789839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its digits is 3265920, while the sum is 55.

The square root of 56789839 is about 7535.9033300594. The cubic root of 56789839 is about 384.3765453394.

The spelling of 56789839 in words is "fifty-six million, seven hundred eighty-nine thousand, eight hundred thirty-nine".