2797239 has 4 divisors (see below), whose sum is σ = 3729656. Its totient is φ = 1864824.

The previous prime is 2797229. The next prime is 2797241. The reversal of 2797239 is 9327972.

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

It is not a de Polignac number, because 2797239 - 2²¹ = 700087 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2797197 and 2797206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797229) 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, 466204 + ... + 466209.

It is an arithmetic number, because the mean of its divisors is an integer number (932414).

2^2797239 is an apocalyptic number.

2797239 is a deficient number, since it is larger than the sum of its proper divisors (932417).

2797239 is an equidigital number, since it uses as much as digits as its factorization.

2797239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932416.

The product of its digits is 47628, while the sum is 39.

The square root of 2797239 is about 1672.4948430414. The cubic root of 2797239 is about 140.8996318060.

The spelling of 2797239 in words is "two million, seven hundred ninety-seven thousand, two hundred thirty-nine".