4959939 has 4 divisors (see below), whose sum is σ = 6613256. Its totient is φ = 3306624.

The previous prime is 4959923. The next prime is 4959947. The reversal of 4959939 is 9399594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4959939 - 2⁴ = 4959923 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4959919) 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, 826654 + ... + 826659.

It is an arithmetic number, because the mean of its divisors is an integer number (1653314).

Almost surely, 2^4959939 is an apocalyptic number.

4959939 is a deficient number, since it is larger than the sum of its proper divisors (1653317).

4959939 is a wasteful number, since it uses less digits than its factorization.

4959939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653316.

The product of its digits is 393660, while the sum is 48.

The square root of 4959939 is about 2227.0920501856. The cubic root of 4959939 is about 170.5396805389.

The spelling of 4959939 in words is "four million, nine hundred fifty-nine thousand, nine hundred thirty-nine".