2744539 has 12 divisors (see below), whose sum is σ = 3237600. Its totient is φ = 2319408.

The previous prime is 2744519. The next prime is 2744543. The reversal of 2744539 is 9354472.

It is not a de Polignac number, because 2744539 - 2⁷ = 2744411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2744509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3517 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (269800).

2^2744539 is an apocalyptic number.

2744539 is a deficient number, since it is larger than the sum of its proper divisors (493061).

2744539 is an equidigital number, since it uses as much as digits as its factorization.

2744539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 795 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2744539 is about 1656.6650234734. The cubic root of 2744539 is about 140.0091660665.

The spelling of 2744539 in words is "two million, seven hundred forty-four thousand, five hundred thirty-nine".