189034173 has 12 divisors (see below), whose sum is σ = 287420640. Its totient is φ = 119389896.

The previous prime is 189034133. The next prime is 189034177. The reversal of 189034173 is 371430981.

It is a happy number.

It is not a de Polignac number, because 189034173 - 2²¹ = 186937021 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189034177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552561 + ... + 552902.

It is an arithmetic number, because the mean of its divisors is an integer number (23951720).

Almost surely, 2^189034173 is an apocalyptic number.

It is an amenable number.

189034173 is a deficient number, since it is larger than the sum of its proper divisors (98386467).

189034173 is a wasteful number, since it uses less digits than its factorization.

189034173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105488 (or 1105485 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 189034173 is about 13748.9698886862. The cubic root of 189034173 is about 573.9139403650.

It can be divided in two parts, 1890 and 34173, that added together give a palindrome (36063).

The spelling of 189034173 in words is "one hundred eighty-nine million, thirty-four thousand, one hundred seventy-three".