380686306 has 128 divisors (see below), whose sum is σ = 812851200. Its totient is φ = 128943360.

The previous prime is 380686283. The next prime is 380686343. The reversal of 380686306 is 603686083.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4586541 + ... + 4586623.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^380686306 is an apocalyptic number.

380686306 is an abundant number, since it is smaller than the sum of its proper divisors (432164894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380686306 is a wasteful number, since it uses less digits than its factorization.

380686306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 380686306 is about 19511.1841260340. The cubic root of 380686306 is about 724.7514366299.

It can be divided in two parts, 380 and 686306, that added together give a palindrome (686686).

The spelling of 380686306 in words is "three hundred eighty million, six hundred eighty-six thousand, three hundred six".