389760566 has 32 divisors (see below), whose sum is σ = 676892160. Its totient is φ = 166785696.

The previous prime is 389760563. The next prime is 389760593. The reversal of 389760566 is 665067983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389760563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14825 + ... + 31611.

It is an arithmetic number, because the mean of its divisors is an integer number (21152880).

Almost surely, 2^389760566 is an apocalyptic number.

389760566 is a deficient number, since it is larger than the sum of its proper divisors (287131594).

389760566 is a wasteful number, since it uses less digits than its factorization.

389760566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 389760566 is about 19742.3546214731. The cubic root of 389760566 is about 730.4648106289.

The spelling of 389760566 in words is "three hundred eighty-nine million, seven hundred sixty thousand, five hundred sixty-six".