189463 has 2 divisors, whose sum is σ = 189464. Its totient is φ = 189462.

The previous prime is 189439. The next prime is 189467. The reversal of 189463 is 364981.

189463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189463 - 2¹⁷ = 58391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94731 + 94732.

It is an arithmetic number, because the mean of its divisors is an integer number (94732).

2¹⁸⁹⁴⁶³ is an apocalyptic number.

189463 is a deficient number, since it is larger than the sum of its proper divisors (1).

189463 is an equidigital number, since it uses as much as digits as its factorization.

189463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 189463 is about 435.2734772531. The cubic root of 189463 is about 57.4347590222.

The spelling of 189463 in words is "one hundred eighty-nine thousand, four hundred sixty-three".