2917879 has 4 divisors (see below), whose sum is σ = 2934360. Its totient is φ = 2901400.

The previous prime is 2917877. The next prime is 2917891. The reversal of 2917879 is 9787192.

It is a happy number.

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 2917879 - 2¹ = 2917877 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 (2917877) 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, 7972 + ... + 8329.

It is an arithmetic number, because the mean of its divisors is an integer number (733590).

2^2917879 is an apocalyptic number.

2917879 is a deficient number, since it is larger than the sum of its proper divisors (16481).

2917879 is a wasteful number, since it uses less digits than its factorization.

2917879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16480.

The product of its digits is 63504, while the sum is 43.

The square root of 2917879 is about 1708.1800256413. The cubic root of 2917879 is about 142.8967745757.

The spelling of 2917879 in words is "two million, nine hundred seventeen thousand, eight hundred seventy-nine".