389108227 has 4 divisors (see below), whose sum is σ = 406026000. Its totient is φ = 372190456.

The previous prime is 389108219. The next prime is 389108261. The reversal of 389108227 is 722801983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389108227 - 2³ = 389108219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389108227.

It is not an unprimeable number, because it can be changed into a prime (389108827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8458852 + ... + 8458897.

It is an arithmetic number, because the mean of its divisors is an integer number (101506500).

Almost surely, 2^389108227 is an apocalyptic number.

389108227 is a deficient number, since it is larger than the sum of its proper divisors (16917773).

389108227 is a wasteful number, since it uses less digits than its factorization.

389108227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16917772.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 389108227 is about 19725.8263958700. The cubic root of 389108227 is about 730.0570587789.

The spelling of 389108227 in words is "three hundred eighty-nine million, one hundred eight thousand, two hundred twenty-seven".