4923979 has 2 divisors, whose sum is σ = 4923980. Its totient is φ = 4923978.

The previous prime is 4923967. The next prime is 4924013. The reversal of 4923979 is 9793294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4923979 - 2⁹ = 4923467 is a prime.

It is a d-powerful number, because it can be written as 4 + 9³ + 2¹⁷ + 3⁵ + 9⁴ + 7⁴ + 9⁷ .

It is not a weakly prime, because it can be changed into another prime (4923929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461989 + 2461990.

It is an arithmetic number, because the mean of its divisors is an integer number (2461990).

Almost surely, 2^4923979 is an apocalyptic number.

4923979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4923979 is an equidigital number, since it uses as much as digits as its factorization.

4923979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 4923979 is about 2219.0040558773. The cubic root of 4923979 is about 170.1265378540.

The spelling of 4923979 in words is "four million, nine hundred twenty-three thousand, nine hundred seventy-nine".