380269 has 2 divisors, whose sum is σ = 380270. Its totient is φ = 380268.

The previous prime is 380267. The next prime is 380287. The reversal of 380269 is 962083.

380269 = T₅₀₂ + T₅₀₃ + T₅₀₄.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 26244 = 595^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 380269 - 2¹ = 380267 is a prime.

It is a super-2 number, since 2×380269² = 289209024722, which contains 22 as substring.

Together with 380267, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190134 + 190135.

It is an arithmetic number, because the mean of its divisors is an integer number (190135).

2³⁸⁰²⁶⁹ is an apocalyptic number.

380269 is the 504-th centered triangular number.

It is an amenable number.

380269 is a deficient number, since it is larger than the sum of its proper divisors (1).

380269 is an equidigital number, since it uses as much as digits as its factorization.

380269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 380269 is about 616.6595495085. The cubic root of 380269 is about 72.4486517108.

The spelling of 380269 in words is "three hundred eighty thousand, two hundred sixty-nine".