189200001 has 8 divisors (see below), whose sum is σ = 263234880. Its totient is φ = 120649232.

The previous prime is 189199991. The next prime is 189200003. The reversal of 189200001 is 100002981.

189200001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189200001 - 2⁶ = 189199937 is a prime.

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, 1370946 + ... + 1371083.

It is an arithmetic number, because the mean of its divisors is an integer number (32904360).

Almost surely, 2^189200001 is an apocalyptic number.

It is an amenable number.

189200001 is a deficient number, since it is larger than the sum of its proper divisors (74034879).

189200001 is a wasteful number, since it uses less digits than its factorization.

189200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742055.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 189200001 is about 13754.9991275899. Note that the first 3 decimals coincide. The cubic root of 189200001 is about 574.0817110626.

Adding to 189200001 its reverse (100002981), we get a palindrome (289202982).

The spelling of 189200001 in words is "one hundred eighty-nine million, two hundred thousand, one".