2979217 has 4 divisors (see below), whose sum is σ = 2983936. Its totient is φ = 2974500.

The previous prime is 2979191. The next prime is 2979227. The reversal of 2979217 is 7129792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2979217 - 2¹⁹ = 2454929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2979227) 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, 1233 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (745984).

2^2979217 is an apocalyptic number.

It is an amenable number.

2979217 is a deficient number, since it is larger than the sum of its proper divisors (4719).

2979217 is an equidigital number, since it uses as much as digits as its factorization.

2979217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

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

The square root of 2979217 is about 1726.0408454031. The cubic root of 2979217 is about 143.8911375006.

The spelling of 2979217 in words is "two million, nine hundred seventy-nine thousand, two hundred seventeen".