380091 has 16 divisors (see below), whose sum is σ = 539648. Its totient is φ = 237600.

The previous prime is 380071. The next prime is 380117. The reversal of 380091 is 190083.

380091 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 380091 - 2⁵ = 380059 is a prime.

380091 is strictly pandigital in base 7.

380091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (380041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5640 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (33728).

2³⁸⁰⁰⁹¹ is an apocalyptic number.

380091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

380091 is a deficient number, since it is larger than the sum of its proper divisors (159557).

380091 is a wasteful number, since it uses less digits than its factorization.

380091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 380091 is about 616.5152066251. The cubic root of 380091 is about 72.4373457908.

The spelling of 380091 in words is "three hundred eighty thousand, ninety-one".