380505 has 8 divisors (see below), whose sum is σ = 608832. Its totient is φ = 202928.

The previous prime is 380503. The next prime is 380533. The reversal of 380505 is 505083.

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 380505 - 2¹ = 380503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12669 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (76104).

2³⁸⁰⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

380505 is a deficient number, since it is larger than the sum of its proper divisors (228327).

380505 is a wasteful number, since it uses less digits than its factorization.

380505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25375.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 380505 is about 616.8508733884. The cubic root of 380505 is about 72.4636361437.

Adding to 380505 its reverse (505083), we get a palindrome (885588).

It can be divided in two parts, 3 and 80505, that added together give a palindrome (80508).

The spelling of 380505 in words is "three hundred eighty thousand, five hundred five".