189028716 has 12 divisors (see below), whose sum is σ = 441067032. Its totient is φ = 63009568.

The previous prime is 189028711. The next prime is 189028717. The reversal of 189028716 is 617820981.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (189028711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7876185 + ... + 7876208.

It is an arithmetic number, because the mean of its divisors is an integer number (36755586).

Almost surely, 2^189028716 is an apocalyptic number.

It is an amenable number.

189028716 is an abundant number, since it is smaller than the sum of its proper divisors (252038316).

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

189028716 is a wasteful number, since it uses less digits than its factorization.

189028716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752400 (or 15752398 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 189028716 is about 13748.7714360229. The cubic root of 189028716 is about 573.9084177682.

The spelling of 189028716 in words is "one hundred eighty-nine million, twenty-eight thousand, seven hundred sixteen".