2759044 has 6 divisors (see below), whose sum is σ = 4828334. Its totient is φ = 1379520.

The previous prime is 2759039. The next prime is 2759059. The reversal of 2759044 is 4409572.

It can be written as a sum of positive squares in only one way, i.e., 1592644 + 1166400 = 1262^2 + 1080^2 .

It is a super-2 number, since 2×2759044² = 15224647587872, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2758997 and 2759015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344877 + ... + 344884.

2^2759044 is an apocalyptic number.

It is an amenable number.

2759044 is a deficient number, since it is larger than the sum of its proper divisors (2069290).

2759044 is a wasteful number, since it uses less digits than its factorization.

2759044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689765 (or 689763 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2759044 is about 1661.0370254754. The cubic root of 2759044 is about 140.2553841920.

Subtracting from 2759044 its product of nonzero digits (10080), we obtain a square (2748964 = 1658²).

The spelling of 2759044 in words is "two million, seven hundred fifty-nine thousand, forty-four".