4939739 has 6 divisors (see below), whose sum is σ = 5746284. Its totient is φ = 4234020.

The previous prime is 4939729. The next prime is 4939751. The reversal of 4939739 is 9379394.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4939739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4939739.

It is not an unprimeable number, because it can be changed into a prime (4939729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50357 + ... + 50454.

It is an arithmetic number, because the mean of its divisors is an integer number (957714).

Almost surely, 2^4939739 is an apocalyptic number.

4939739 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4939739 is a deficient number, since it is larger than the sum of its proper divisors (806545).

4939739 is a wasteful number, since it uses less digits than its factorization.

4939739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100825 (or 100818 counting only the distinct ones).

The product of its digits is 183708, while the sum is 44.

The square root of 4939739 is about 2222.5523615879. The cubic root of 4939739 is about 170.3078504861.

The spelling of 4939739 in words is "four million, nine hundred thirty-nine thousand, seven hundred thirty-nine".