189200002 has 16 divisors (see below), whose sum is σ = 293932800. Its totient is φ = 91230160.

The previous prime is 189199991. The next prime is 189200003. The reversal of 189200002 is 200002981.

189200002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189200003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71727 + ... + 74317.

It is an arithmetic number, because the mean of its divisors is an integer number (18370800).

Almost surely, 2^189200002 is an apocalyptic number.

189200002 is a deficient number, since it is larger than the sum of its proper divisors (104732798).

189200002 is a wasteful number, since it uses less digits than its factorization.

189200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 189200002 is about 13754.9991639404. Note that the first 3 decimals coincide. The cubic root of 189200002 is about 574.0817120740.

Adding to 189200002 its reverse (200002981), we get a palindrome (389202983).

The spelling of 189200002 in words is "one hundred eighty-nine million, two hundred thousand, two".