4791979 has 4 divisors (see below), whose sum is σ = 4893984. Its totient is φ = 4689976.

The previous prime is 4791973. The next prime is 4792001. The reversal of 4791979 is 9791974.

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 4791979 - 2⁵ = 4791947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4791973) 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, 50932 + ... + 51025.

It is an arithmetic number, because the mean of its divisors is an integer number (1223496).

Almost surely, 2^4791979 is an apocalyptic number.

4791979 is a deficient number, since it is larger than the sum of its proper divisors (102005).

4791979 is a wasteful number, since it uses less digits than its factorization.

4791979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102004.

The product of its digits is 142884, while the sum is 46.

The square root of 4791979 is about 2189.0589302255. The cubic root of 4791979 is about 168.5925199325.

The spelling of 4791979 in words is "four million, seven hundred ninety-one thousand, nine hundred seventy-nine".