380306 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 179088.

The previous prime is 380299. The next prime is 380309. The reversal of 380306 is 603083.

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

380306 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2³⁸⁰³⁰⁶ is an apocalyptic number.

380306 is a deficient number, since it is larger than the sum of its proper divisors (224494).

380306 is a wasteful number, since it uses less digits than its factorization.

380306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 380306 is about 616.6895491250. The cubic root of 380306 is about 72.4510013748.

Adding to 380306 its reverse (603083), we get a palindrome (983389).

It can be divided in two parts, 380 and 306, that added together give a palindrome (686).

The spelling of 380306 in words is "three hundred eighty thousand, three hundred six".