189034473 has 16 divisors (see below), whose sum is σ = 255414656. Its totient is φ = 124346880.

The previous prime is 189034471. The next prime is 189034501. The reversal of 189034473 is 374430981.

It is not a de Polignac number, because 189034473 - 2¹ = 189034471 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189034471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121740 + ... + 123282.

It is an arithmetic number, because the mean of its divisors is an integer number (15963416).

Almost surely, 2^189034473 is an apocalyptic number.

It is an amenable number.

189034473 is a deficient number, since it is larger than the sum of its proper divisors (66380183).

189034473 is a wasteful number, since it uses less digits than its factorization.

189034473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 189034473 is about 13748.9807985901. The cubic root of 189034473 is about 573.9142439681.

It can be divided in two parts, 1890 and 34473, that added together give a palindrome (36363).

The spelling of 189034473 in words is "one hundred eighty-nine million, thirty-four thousand, four hundred seventy-three".