2949979 has 4 divisors (see below), whose sum is σ = 2991600. Its totient is φ = 2908360.

The previous prime is 2949953. The next prime is 2950001. The reversal of 2949979 is 9799492.

2949979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2949979 - 2⁹ = 2949467 is a prime.

It is a super-2 number, since 2×2949979² = 17404752200882, which contains 22 as substring.

It is a Duffinian number.

2949979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2949949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20704 + ... + 20845.

It is an arithmetic number, because the mean of its divisors is an integer number (747900).

2^2949979 is an apocalyptic number.

2949979 is a deficient number, since it is larger than the sum of its proper divisors (41621).

2949979 is an equidigital number, since it uses as much as digits as its factorization.

2949979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41620.

The product of its digits is 367416, while the sum is 49.

The square root of 2949979 is about 1717.5502903845. The cubic root of 2949979 is about 143.4188738841.

The spelling of 2949979 in words is "two million, nine hundred forty-nine thousand, nine hundred seventy-nine".