2268949 has 2 divisors, whose sum is σ = 2268950. Its totient is φ = 2268948.

The previous prime is 2268943. The next prime is 2268977. The reversal of 2268949 is 9498622.

2268949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 688900 = 1257^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268949 - 2³ = 2268941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134474 + 1134475.

It is an arithmetic number, because the mean of its divisors is an integer number (1134475).

2^2268949 is an apocalyptic number.

It is an amenable number.

2268949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268949 is an equidigital number, since it uses as much as digits as its factorization.

2268949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 2268949 is about 1506.3030903507. The cubic root of 2268949 is about 131.4038968779.

The spelling of 2268949 in words is "two million, two hundred sixty-eight thousand, nine hundred forty-nine".