389686282 has 16 divisors (see below), whose sum is σ = 606022560. Its totient is φ = 187708528.

The previous prime is 389686277. The next prime is 389686307. The reversal of 389686282 is 282686983.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19893 + ... + 34279.

It is an arithmetic number, because the mean of its divisors is an integer number (37876410).

Almost surely, 2^389686282 is an apocalyptic number.

389686282 is a deficient number, since it is larger than the sum of its proper divisors (216336278).

389686282 is a wasteful number, since it uses less digits than its factorization.

389686282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885.

The product of its digits is 1990656, while the sum is 52.

The square root of 389686282 is about 19740.4731959495. The cubic root of 389686282 is about 730.4184015423.

The spelling of 389686282 in words is "three hundred eighty-nine million, six hundred eighty-six thousand, two hundred eighty-two".