4939423 has 2 divisors, whose sum is σ = 4939424. Its totient is φ = 4939422.

The previous prime is 4939391. The next prime is 4939427. The reversal of 4939423 is 3249394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4939423 - 2⁵ = 4939391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469711 + 2469712.

It is an arithmetic number, because the mean of its divisors is an integer number (2469712).

Almost surely, 2^4939423 is an apocalyptic number.

4939423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939423 is an equidigital number, since it uses as much as digits as its factorization.

4939423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 4939423 is about 2222.4812710122. The cubic root of 4939423 is about 170.3042188213.

The spelling of 4939423 in words is "four million, nine hundred thirty-nine thousand, four hundred twenty-three".