4979911 has 2 divisors, whose sum is σ = 4979912. Its totient is φ = 4979910.

The previous prime is 4979903. The next prime is 4979921. The reversal of 4979911 is 1199794.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4979911 - 2³ = 4979903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4979921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489955 + 2489956.

It is an arithmetic number, because the mean of its divisors is an integer number (2489956).

Almost surely, 2^4979911 is an apocalyptic number.

4979911 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979911 is an equidigital number, since it uses as much as digits as its factorization.

4979911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 4979911 is about 2231.5714194262. The cubic root of 4979911 is about 170.7682758953.

The spelling of 4979911 in words is "four million, nine hundred seventy-nine thousand, nine hundred eleven".