4089269 has 2 divisors, whose sum is σ = 4089270. Its totient is φ = 4089268.

The previous prime is 4089263. The next prime is 4089271. The reversal of 4089269 is 9629804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 1350244 = 1655^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089269 - 2¹² = 4085173 is a prime.

It is a super-2 number, since 2×4089269² = 33444241908722, which contains 22 as substring.

Together with 4089271, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4089263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044634 + 2044635.

It is an arithmetic number, because the mean of its divisors is an integer number (2044635).

Almost surely, 2^4089269 is an apocalyptic number.

It is an amenable number.

4089269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089269 is an equidigital number, since it uses as much as digits as its factorization.

4089269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4089269 is about 2022.1941054211. The cubic root of 4089269 is about 159.9123087186.

The spelling of 4089269 in words is "four million, eighty-nine thousand, two hundred sixty-nine".