4388269 has 2 divisors, whose sum is σ = 4388270. Its totient is φ = 4388268.

The previous prime is 4388257. The next prime is 4388291. The reversal of 4388269 is 9628834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3378244 + 1010025 = 1838^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4388269 - 2¹⁵ = 4355501 is a prime.

It is a super-2 number, since 2×4388269² = 38513809632722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4388869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194134 + 2194135.

It is an arithmetic number, because the mean of its divisors is an integer number (2194135).

Almost surely, 2^4388269 is an apocalyptic number.

It is an amenable number.

4388269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4388269 is an equidigital number, since it uses as much as digits as its factorization.

4388269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 4388269 is about 2094.8195626354. The cubic root of 4388269 is about 163.7184963577.

The spelling of 4388269 in words is "four million, three hundred eighty-eight thousand, two hundred sixty-nine".