2979091 has 2 divisors, whose sum is σ = 2979092. Its totient is φ = 2979090.

The previous prime is 2979073. The next prime is 2979107. The reversal of 2979091 is 1909792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2979091 - 2⁵ = 2979059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2979091.

It is not a weakly prime, because it can be changed into another prime (2979191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489545 + 1489546.

It is an arithmetic number, because the mean of its divisors is an integer number (1489546).

2^2979091 is an apocalyptic number.

2979091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979091 is an equidigital number, since it uses as much as digits as its factorization.

2979091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2979091 is about 1726.0043453016. The cubic root of 2979091 is about 143.8891089431.

The spelling of 2979091 in words is "two million, nine hundred seventy-nine thousand, ninety-one".