4268689 has 2 divisors, whose sum is σ = 4268690. Its totient is φ = 4268688.

The previous prime is 4268651. The next prime is 4268699. The reversal of 4268689 is 9868624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3932289 + 336400 = 1983^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 4268689 - 2⁹ = 4268177 is a prime.

It is a super-3 number, since 3×4268689³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁸ + 2²² + 6³ + 8² + 6⁵ + 8² + 9³ .

It is not a weakly prime, because it can be changed into another prime (4268609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134344 + 2134345.

It is an arithmetic number, because the mean of its divisors is an integer number (2134345).

Almost surely, 2^4268689 is an apocalyptic number.

It is an amenable number.

4268689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4268689 is an equidigital number, since it uses as much as digits as its factorization.

4268689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 4268689 is about 2066.0805889413. The cubic root of 4268689 is about 162.2176746673.

The spelling of 4268689 in words is "four million, two hundred sixty-eight thousand, six hundred eighty-nine".