5678839 has 2 divisors, whose sum is σ = 5678840. Its totient is φ = 5678838.

The previous prime is 5678831. The next prime is 5678843. The reversal of 5678839 is 9388765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5678839 - 2³ = 5678831 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5678831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839419 + 2839420.

It is an arithmetic number, because the mean of its divisors is an integer number (2839420).

Almost surely, 2^5678839 is an apocalyptic number.

5678839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5678839 is an equidigital number, since it uses as much as digits as its factorization.

5678839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 5678839 is about 2383.0314727254. The cubic root of 5678839 is about 178.4102706622.

The spelling of 5678839 in words is "five million, six hundred seventy-eight thousand, eight hundred thirty-nine".