380605 has 8 divisors (see below), whose sum is σ = 460512. Its totient is φ = 301968.

The previous prime is 380591. The next prime is 380621. The reversal of 380605 is 506083.

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 380605 - 2¹³ = 372413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 582 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (57564).

2³⁸⁰⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

380605 is a deficient number, since it is larger than the sum of its proper divisors (79907).

380605 is a wasteful number, since it uses less digits than its factorization.

380605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 380605 is about 616.9319249318. The cubic root of 380605 is about 72.4699836108.

Adding to 380605 its reverse (506083), we get a palindrome (886688).

It can be divided in two parts, 3 and 80605, that added together give a palindrome (80608).

The spelling of 380605 in words is "three hundred eighty thousand, six hundred five".