5817979 has 4 divisors (see below), whose sum is σ = 5860584. Its totient is φ = 5775376.

The previous prime is 5817967. The next prime is 5818013. The reversal of 5817979 is 9797185.

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 5817979 - 2⁵ = 5817947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5817379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21097 + ... + 21370.

It is an arithmetic number, because the mean of its divisors is an integer number (1465146).

Almost surely, 2^5817979 is an apocalyptic number.

5817979 is a deficient number, since it is larger than the sum of its proper divisors (42605).

5817979 is a wasteful number, since it uses less digits than its factorization.

5817979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42604.

The product of its digits is 158760, while the sum is 46.

The square root of 5817979 is about 2412.0487142676. The cubic root of 5817979 is about 179.8556352755.

The spelling of 5817979 in words is "five million, eight hundred seventeen thousand, nine hundred seventy-nine".