189383473 has 8 divisors (see below), whose sum is σ = 194013792. Its totient is φ = 184806336.

The previous prime is 189383471. The next prime is 189383477. The reversal of 189383473 is 374383981.

It is a happy number.

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 189383473 - 2¹ = 189383471 is a prime.

It is a super-3 number, since 3×189383473³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189383471) 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 7 ways as a sum of consecutive naturals, for example, 6040 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (24251724).

Almost surely, 2^189383473 is an apocalyptic number.

It is an amenable number.

189383473 is a deficient number, since it is larger than the sum of its proper divisors (4630319).

189383473 is a wasteful number, since it uses less digits than its factorization.

189383473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26591.

The product of its digits is 435456, while the sum is 46.

The square root of 189383473 is about 13761.6667958500. Note that the first 3 decimals coincide. The cubic root of 189383473 is about 574.2672182703.

The spelling of 189383473 in words is "one hundred eighty-nine million, three hundred eighty-three thousand, four hundred seventy-three".