2979149 has 2 divisors, whose sum is σ = 2979150. Its totient is φ = 2979148.

The previous prime is 2979139. The next prime is 2979173. The reversal of 2979149 is 9419792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 1249924 = 1315^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979149 - 2⁴ = 2979133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979139) 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 as a sum of consecutive naturals, namely, 1489574 + 1489575.

It is an arithmetic number, because the mean of its divisors is an integer number (1489575).

2^2979149 is an apocalyptic number.

It is an amenable number.

2979149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979149 is an equidigital number, since it uses as much as digits as its factorization.

2979149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 2979149 is about 1726.0211470315. The cubic root of 2979149 is about 143.8900427307.

The spelling of 2979149 in words is "two million, nine hundred seventy-nine thousand, one hundred forty-nine".