2790149 has 2 divisors, whose sum is σ = 2790150. Its totient is φ = 2790148.

The previous prime is 2790143. The next prime is 2790157. The reversal of 2790149 is 9410972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2617924 + 172225 = 1618^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790149 - 2⁸ = 2789893 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 (2790143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395074 + 1395075.

It is an arithmetic number, because the mean of its divisors is an integer number (1395075).

2^2790149 is an apocalyptic number.

It is an amenable number.

2790149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790149 is an equidigital number, since it uses as much as digits as its factorization.

2790149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2790149 is about 1670.3739102369. The cubic root of 2790149 is about 140.7804877026.

The spelling of 2790149 in words is "two million, seven hundred ninety thousand, one hundred forty-nine".