380863 has 4 divisors (see below), whose sum is σ = 435280. Its totient is φ = 326448.

The previous prime is 380843. The next prime is 380867. The reversal of 380863 is 368083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27198 + ... + 27211.

It is an arithmetic number, because the mean of its divisors is an integer number (108820).

2³⁸⁰⁸⁶³ is an apocalyptic number.

380863 is a deficient number, since it is larger than the sum of its proper divisors (54417).

380863 is an equidigital number, since it uses as much as digits as its factorization.

380863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54416.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 380863 is about 617.1409887538. The cubic root of 380863 is about 72.4863549430.

The spelling of 380863 in words is "three hundred eighty thousand, eight hundred sixty-three".