2939744 has 12 divisors (see below), whose sum is σ = 5787684. Its totient is φ = 1469856.

The previous prime is 2939707. The next prime is 2939747. The reversal of 2939744 is 4479392.

2939744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2939698 and 2939707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939747) 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 as a sum of consecutive naturals, namely, 45902 + ... + 45965.

It is an arithmetic number, because the mean of its divisors is an integer number (482307).

2^2939744 is an apocalyptic number.

It is an amenable number.

2939744 is a deficient number, since it is larger than the sum of its proper divisors (2847940).

2939744 is an equidigital number, since it uses as much as digits as its factorization.

2939744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91877 (or 91869 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 2939744 is about 1714.5681672071. The cubic root of 2939744 is about 143.2528169869.

The spelling of 2939744 in words is "two million, nine hundred thirty-nine thousand, seven hundred forty-four".