2797591 has 4 divisors (see below), whose sum is σ = 2813400. Its totient is φ = 2781784.

The previous prime is 2797589. The next prime is 2797637. The reversal of 2797591 is 1957972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2797591 - 2¹ = 2797589 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2797591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797391) 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, 7636 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (703350).

2^2797591 is an apocalyptic number.

2797591 is a deficient number, since it is larger than the sum of its proper divisors (15809).

2797591 is a wasteful number, since it uses less digits than its factorization.

2797591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15808.

The product of its digits is 39690, while the sum is 40.

The square root of 2797591 is about 1672.6000717446. The cubic root of 2797591 is about 140.9055417515.

The spelling of 2797591 in words is "two million, seven hundred ninety-seven thousand, five hundred ninety-one".