389108226 has 32 divisors (see below), whose sum is σ = 839458368. Its totient is φ = 119528640.

The previous prime is 389108219. The next prime is 389108261. The reversal of 389108226 is 622801983.

It is a happy number.

It is a super-3 number, since 3×389108226³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47785 + ... + 55331.

It is an arithmetic number, because the mean of its divisors is an integer number (26233074).

Almost surely, 2^389108226 is an apocalyptic number.

389108226 is an abundant number, since it is smaller than the sum of its proper divisors (450350142).

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

389108226 is a wasteful number, since it uses less digits than its factorization.

389108226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 389108226 is about 19725.8263705225. The cubic root of 389108226 is about 730.0570581535.

The spelling of 389108226 in words is "three hundred eighty-nine million, one hundred eight thousand, two hundred twenty-six".