9743939 has 4 divisors (see below), whose sum is σ = 9867360. Its totient is φ = 9620520.

The previous prime is 9743897. The next prime is 9743947. The reversal of 9743939 is 9393479.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9393479 = 43 ⋅218453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9743939 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 9743939.

It is not an unprimeable number, because it can be changed into a prime (9743959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61592 + ... + 61749.

It is an arithmetic number, because the mean of its divisors is an integer number (2466840).

Almost surely, 2^9743939 is an apocalyptic number.

9743939 is a deficient number, since it is larger than the sum of its proper divisors (123421).

9743939 is a wasteful number, since it uses less digits than its factorization.

9743939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123420.

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

The square root of 9743939 is about 3121.5283115807. The cubic root of 9743939 is about 213.5886572434.

It can be divided in two parts, 974 and 3939, that added together give a cube (4913 = 17³).

The spelling of 9743939 in words is "nine million, seven hundred forty-three thousand, nine hundred thirty-nine".