2799591 has 8 divisors (see below), whose sum is σ = 3750144. Its totient is φ = 1857720.

The previous prime is 2799581. The next prime is 2799607. The reversal of 2799591 is 1959972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2799591 - 2⁷ = 2799463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (468768).

2^2799591 is an apocalyptic number.

2799591 is a deficient number, since it is larger than the sum of its proper divisors (950553).

2799591 is a wasteful number, since it uses less digits than its factorization.

2799591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341.

The product of its digits is 51030, while the sum is 42.

The square root of 2799591 is about 1673.1978364796. The cubic root of 2799591 is about 140.9391115805.

It can be divided in two parts, 279 and 9591, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 2799591 in words is "two million, seven hundred ninety-nine thousand, five hundred ninety-one".