2889979 has 2 divisors, whose sum is σ = 2889980. Its totient is φ = 2889978.

The previous prime is 2889947. The next prime is 2890001. The reversal of 2889979 is 9799882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2889979 - 2⁵ = 2889947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2889079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444989 + 1444990.

It is an arithmetic number, because the mean of its divisors is an integer number (1444990).

2^2889979 is an apocalyptic number.

2889979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889979 is an equidigital number, since it uses as much as digits as its factorization.

2889979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 52.

The square root of 2889979 is about 1699.9938235182. The cubic root of 2889979 is about 142.4398679296.

Subtracting 2889979 from its reverse (9799882), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2889979 in words is "two million, eight hundred eighty-nine thousand, nine hundred seventy-nine".