456189 has 4 divisors (see below), whose sum is σ = 608256. Its totient is φ = 304124.

The previous prime is 456167. The next prime is 456193. The reversal of 456189 is 981654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456189 - 2⁷ = 456061 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

456189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76029 + ... + 76034.

It is an arithmetic number, because the mean of its divisors is an integer number (152064).

2⁴⁵⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

456189 is a deficient number, since it is larger than the sum of its proper divisors (152067).

456189 is a wasteful number, since it uses less digits than its factorization.

456189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152066.

The product of its digits is 8640, while the sum is 33.

The square root of 456189 is about 675.4176485701. The cubic root of 456189 is about 76.9806551730.

The spelling of 456189 in words is "four hundred fifty-six thousand, one hundred eighty-nine".