380911 has 4 divisors (see below), whose sum is σ = 388152. Its totient is φ = 373672.

The previous prime is 380909. The next prime is 380917. The reversal of 380911 is 119083.

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 380911 - 2¹ = 380909 is a prime.

It is a Duffinian number.

380911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380917) 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, 3541 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (97038).

2³⁸⁰⁹¹¹ is an apocalyptic number.

380911 is a deficient number, since it is larger than the sum of its proper divisors (7241).

380911 is an equidigital number, since it uses as much as digits as its factorization.

380911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 380911 is about 617.1798765352. The cubic root of 380911 is about 72.4893999564.

Adding to 380911 its reverse (119083), we get a palindrome (499994).

The spelling of 380911 in words is "three hundred eighty thousand, nine hundred eleven".