189473 has 2 divisors, whose sum is σ = 189474. Its totient is φ = 189472.

The previous prime is 189467. The next prime is 189479. The reversal of 189473 is 374981.

It is a balanced prime because it is at equal distance from previous prime (189467) and next prime (189479).

It can be written as a sum of positive squares in only one way, i.e., 117649 + 71824 = 343^2 + 268^2 .

It is an emirp because it is prime and its reverse (374981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189473 is a prime.

It is not a weakly prime, because it can be changed into another prime (189479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94736 + 94737.

It is an arithmetic number, because the mean of its divisors is an integer number (94737).

2¹⁸⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

189473 is a deficient number, since it is larger than the sum of its proper divisors (1).

189473 is an equidigital number, since it uses as much as digits as its factorization.

189473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 189473 is about 435.2849641327. The cubic root of 189473 is about 57.4357694877.

The spelling of 189473 in words is "one hundred eighty-nine thousand, four hundred seventy-three".