4999939 has 8 divisors (see below), whose sum is σ = 5767520. Its totient is φ = 4245696.

The previous prime is 4999933. The next prime is 4999949. The reversal of 4999939 is 9399994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4999939 - 2⁹ = 4999427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (720940).

Almost surely, 2^4999939 is an apocalyptic number.

4999939 is a deficient number, since it is larger than the sum of its proper divisors (767581).

4999939 is a wasteful number, since it uses less digits than its factorization.

4999939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

The product of its digits is 708588, while the sum is 52.

The square root of 4999939 is about 2236.0543374435. The cubic root of 4999939 is about 170.9968992746.

The spelling of 4999939 in words is "four million, nine hundred ninety-nine thousand, nine hundred thirty-nine".