2839744 has 14 divisors (see below), whose sum is σ = 5635244. Its totient is φ = 1419840.

The previous prime is 2839699. The next prime is 2839747. The reversal of 2839744 is 4479382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2839747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22122 + ... + 22249.

2^2839744 is an apocalyptic number.

It is an amenable number.

2839744 is a deficient number, since it is larger than the sum of its proper divisors (2795500).

2839744 is an equidigital number, since it uses as much as digits as its factorization.

2839744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44383 (or 44373 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 2839744 is about 1685.1539988974. The cubic root of 2839744 is about 141.6097198260.

It can be divided in two parts, 28397 and 44, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 2839744 in words is "two million, eight hundred thirty-nine thousand, seven hundred forty-four".