380899 has 4 divisors (see below), whose sum is σ = 382320. Its totient is φ = 379480.

The previous prime is 380881. The next prime is 380909. The reversal of 380899 is 998083.

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

It is a cyclic number.

It is not a de Polignac number, because 380899 - 2⁵ = 380867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380819) 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 in 3 ways as a sum of consecutive naturals, for example, 172 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (95580).

2³⁸⁰⁸⁹⁹ is an apocalyptic number.

380899 is a deficient number, since it is larger than the sum of its proper divisors (1421).

380899 is a wasteful number, since it uses less digits than its factorization.

380899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 380899 is about 617.1701548196. The cubic root of 380899 is about 72.4886387270.

The spelling of 380899 in words is "three hundred eighty thousand, eight hundred ninety-nine".