4939743 has 4 divisors (see below), whose sum is σ = 6586328. Its totient is φ = 3293160.

The previous prime is 4939729. The next prime is 4939751. The reversal of 4939743 is 3479394.

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

It is not a de Polignac number, because 4939743 - 2⁶ = 4939679 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823288 + ... + 823293.

It is an arithmetic number, because the mean of its divisors is an integer number (1646582).

Almost surely, 2^4939743 is an apocalyptic number.

4939743 is a deficient number, since it is larger than the sum of its proper divisors (1646585).

4939743 is a wasteful number, since it uses less digits than its factorization.

4939743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646584.

The product of its digits is 81648, while the sum is 39.

The square root of 4939743 is about 2222.5532614540. The cubic root of 4939743 is about 170.3078964555.

The spelling of 4939743 in words is "four million, nine hundred thirty-nine thousand, seven hundred forty-three".