440269 has 2 divisors, whose sum is σ = 440270. Its totient is φ = 440268.

The previous prime is 440261. The next prime is 440281. The reversal of 440269 is 962044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 2025 = 662^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 440269 - 2³ = 440261 is a prime.

It is a super-2 number, since 2×440269² = 387673584722, which contains 22 as substring.

It is equal to p₃₆₉₆₁ and since 440269 and 36961 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440261) 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, 220134 + 220135.

It is an arithmetic number, because the mean of its divisors is an integer number (220135).

2⁴⁴⁰²⁶⁹ is an apocalyptic number.

It is an amenable number.

440269 is a deficient number, since it is larger than the sum of its proper divisors (1).

440269 is an equidigital number, since it uses as much as digits as its factorization.

440269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 440269 is about 663.5276934688. The cubic root of 440269 is about 76.0745459699.

The spelling of 440269 in words is "four hundred forty thousand, two hundred sixty-nine".