5678939 has 4 divisors (see below), whose sum is σ = 6490224. Its totient is φ = 4867656.

The previous prime is 5678923. The next prime is 5678941. The reversal of 5678939 is 9398765.

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

It is a cyclic number.

It is not a de Polignac number, because 5678939 - 2⁴ = 5678923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5678893 and 5678902.

It is not an unprimeable number, because it can be changed into a prime (5678989) 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, 405632 + ... + 405645.

It is an arithmetic number, because the mean of its divisors is an integer number (1622556).

Almost surely, 2^5678939 is an apocalyptic number.

5678939 is a deficient number, since it is larger than the sum of its proper divisors (811285).

5678939 is an equidigital number, since it uses as much as digits as its factorization.

5678939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811284.

The product of its digits is 408240, while the sum is 47.

The square root of 5678939 is about 2383.0524543115. The cubic root of 5678939 is about 178.4113178788.

The spelling of 5678939 in words is "five million, six hundred seventy-eight thousand, nine hundred thirty-nine".