380305 has 8 divisors (see below), whose sum is σ = 476352. Its totient is φ = 290928.

The previous prime is 380299. The next prime is 380309. The reversal of 380305 is 503083.

380305 = 57³ + 58³.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380305 - 2¹⁷ = 249233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (59544).

2³⁸⁰³⁰⁵ is an apocalyptic number.

It is an amenable number.

380305 is a deficient number, since it is larger than the sum of its proper divisors (96047).

380305 is a wasteful number, since it uses less digits than its factorization.

380305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 380305 is about 616.6887383437. The cubic root of 380305 is about 72.4509378724.

Adding to 380305 its reverse (503083), we get a palindrome (883388).

It can be divided in two parts, 3 and 80305, that added together give a palindrome (80308).

The spelling of 380305 in words is "three hundred eighty thousand, three hundred five".