2971279 has 4 divisors (see below), whose sum is σ = 3013200. Its totient is φ = 2929360.

The previous prime is 2971273. The next prime is 2971307. The reversal of 2971279 is 9721792.

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 2971279 - 2³ = 2971271 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 (2971271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20854 + ... + 20995.

It is an arithmetic number, because the mean of its divisors is an integer number (753300).

2^2971279 is an apocalyptic number.

2971279 is a deficient number, since it is larger than the sum of its proper divisors (41921).

2971279 is an equidigital number, since it uses as much as digits as its factorization.

2971279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41920.

The product of its digits is 15876, while the sum is 37.

The square root of 2971279 is about 1723.7398295567. The cubic root of 2971279 is about 143.7632265083.

It can be divided in two parts, 29712 and 79, that added together give a cube (29791 = 31³).

The spelling of 2971279 in words is "two million, nine hundred seventy-one thousand, two hundred seventy-nine".