2920979 has 2 divisors, whose sum is σ = 2920980. Its totient is φ = 2920978.

The previous prime is 2920969. The next prime is 2920987. The reversal of 2920979 is 9790292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2920979 - 2¹⁶ = 2855443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2920969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460489 + 1460490.

It is an arithmetic number, because the mean of its divisors is an integer number (1460490).

2^2920979 is an apocalyptic number.

2920979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920979 is an equidigital number, since it uses as much as digits as its factorization.

2920979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 2920979 is about 1709.0871832648. The cubic root of 2920979 is about 142.9473619164.

The spelling of 2920979 in words is "two million, nine hundred twenty thousand, nine hundred seventy-nine".