2945979 has 6 divisors (see below), whose sum is σ = 4255316. Its totient is φ = 1963980.

The previous prime is 2945959. The next prime is 2945983. The reversal of 2945979 is 9795492.

It is not a de Polignac number, because 2945979 - 2⁷ = 2945851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163657 + ... + 163674.

2^2945979 is an apocalyptic number.

2945979 is a deficient number, since it is larger than the sum of its proper divisors (1309337).

2945979 is a wasteful number, since it uses less digits than its factorization.

2945979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327337 (or 327334 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2945979 is about 1716.3854462212. The cubic root of 2945979 is about 143.3540220122.

The spelling of 2945979 in words is "two million, nine hundred forty-five thousand, nine hundred seventy-nine".