389541718 has 16 divisors (see below), whose sum is σ = 600359760. Its totient is φ = 189490176.

The previous prime is 389541701. The next prime is 389541721. The reversal of 389541718 is 817145983.

It is a happy number.

It is a congruent 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, 5571 + ... + 28462.

It is an arithmetic number, because the mean of its divisors is an integer number (37522485).

Almost surely, 2^389541718 is an apocalyptic number.

389541718 is a deficient number, since it is larger than the sum of its proper divisors (210818042).

389541718 is a wasteful number, since it uses less digits than its factorization.

389541718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191.

The product of its digits is 241920, while the sum is 46.

The square root of 389541718 is about 19736.8112419408. The cubic root of 389541718 is about 730.3280679665.

The spelling of 389541718 in words is "three hundred eighty-nine million, five hundred forty-one thousand, seven hundred eighteen".