380287 has 2 divisors, whose sum is σ = 380288. Its totient is φ = 380286.

The previous prime is 380269. The next prime is 380291. The reversal of 380287 is 782083.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (782083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380287 - 2¹¹ = 378239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190143 + 190144.

It is an arithmetic number, because the mean of its divisors is an integer number (190144).

2³⁸⁰²⁸⁷ is an apocalyptic number.

380287 is a deficient number, since it is larger than the sum of its proper divisors (1).

380287 is an equidigital number, since it uses as much as digits as its factorization.

380287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 380287 is about 616.6741440988. The cubic root of 380287 is about 72.4497948096.

The spelling of 380287 in words is "three hundred eighty thousand, two hundred eighty-seven".