2749039 has 4 divisors (see below), whose sum is σ = 2752360. Its totient is φ = 2745720.

The previous prime is 2749031. The next prime is 2749067. The reversal of 2749039 is 9309472.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2749039 - 2³ = 2749031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2748995 and 2749013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (688090).

2^2749039 is an apocalyptic number.

2749039 is a deficient number, since it is larger than the sum of its proper divisors (3321).

2749039 is a wasteful number, since it uses less digits than its factorization.

2749039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2749039 is about 1658.0226174573. The cubic root of 2749039 is about 140.0856448751.

The spelling of 2749039 in words is "two million, seven hundred forty-nine thousand, thirty-nine".