2790979 has 2 divisors, whose sum is σ = 2790980. Its totient is φ = 2790978.

The previous prime is 2790971. The next prime is 2791007. The reversal of 2790979 is 9790972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2790979 - 2³ = 2790971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2790971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395489 + 1395490.

It is an arithmetic number, because the mean of its divisors is an integer number (1395490).

2^2790979 is an apocalyptic number.

2790979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790979 is an equidigital number, since it uses as much as digits as its factorization.

2790979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 2790979 is about 1670.6223391299. The cubic root of 2790979 is about 140.7944458843.

The spelling of 2790979 in words is "two million, seven hundred ninety thousand, nine hundred seventy-nine".