2872279 has 4 divisors (see below), whose sum is σ = 2882376. Its totient is φ = 2862184.

The previous prime is 2872277. The next prime is 2872283. The reversal of 2872279 is 9722782.

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 2872279 - 2¹ = 2872277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872277) 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, 4609 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (720594).

2^2872279 is an apocalyptic number.

2872279 is a deficient number, since it is larger than the sum of its proper divisors (10097).

2872279 is an equidigital number, since it uses as much as digits as its factorization.

2872279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096.

The product of its digits is 28224, while the sum is 37.

The square root of 2872279 is about 1694.7799267162. The cubic root of 2872279 is about 142.1484759227.

The spelling of 2872279 in words is "two million, eight hundred seventy-two thousand, two hundred seventy-nine".