2268979 has 2 divisors, whose sum is σ = 2268980. Its totient is φ = 2268978.

The previous prime is 2268977. The next prime is 2268991. The reversal of 2268979 is 9798622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2268979 - 2¹ = 2268977 is a prime.

Together with 2268977, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 6⁵ + 8⁵ + 9² + 7² + 9² .

2268979 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2268977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134489 + 1134490.

It is an arithmetic number, because the mean of its divisors is an integer number (1134490).

2^2268979 is an apocalyptic number.

2268979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268979 is an equidigital number, since it uses as much as digits as its factorization.

2268979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 2268979 is about 1506.3130484730. The cubic root of 2268979 is about 131.4044760153.

The spelling of 2268979 in words is "two million, two hundred sixty-eight thousand, nine hundred seventy-nine".