380291 has 2 divisors, whose sum is σ = 380292. Its totient is φ = 380290.

The previous prime is 380287. The next prime is 380299. The reversal of 380291 is 192083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380291 - 2² = 380287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190145 + 190146.

It is an arithmetic number, because the mean of its divisors is an integer number (190146).

2³⁸⁰²⁹¹ is an apocalyptic number.

380291 is a deficient number, since it is larger than the sum of its proper divisors (1).

380291 is an equidigital number, since it uses as much as digits as its factorization.

380291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 380291 is about 616.6773872942. The cubic root of 380291 is about 72.4500488267.

The spelling of 380291 in words is "three hundred eighty thousand, two hundred ninety-one".