2797279 has 4 divisors (see below), whose sum is σ = 2862376. Its totient is φ = 2732184.

The previous prime is 2797273. The next prime is 2797303. The reversal of 2797279 is 9727972.

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 2797279 - 2⁵ = 2797247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 65053 = 2797279 / (2 + 7 + 9 + 7 + 2 + 7 + 9).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797273) 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, 32484 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (715594).

2^2797279 is an apocalyptic number.

2797279 is a deficient number, since it is larger than the sum of its proper divisors (65097).

2797279 is an equidigital number, since it uses as much as digits as its factorization.

2797279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65096.

The product of its digits is 111132, while the sum is 43.

The square root of 2797279 is about 1672.5068011820. The cubic root of 2797279 is about 140.9003034157.

The spelling of 2797279 in words is "two million, seven hundred ninety-seven thousand, two hundred seventy-nine".