456889 has 4 divisors (see below), whose sum is σ = 459856. Its totient is φ = 453924.

The previous prime is 456881. The next prime is 456899. The reversal of 456889 is 988654.

456889 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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, and also an emirpimes, since its reverse is a distinct semiprime: 988654 = 2 ⋅494327.

It is a cyclic number.

It is not a de Polignac number, because 456889 - 2³ = 456881 is a prime.

It is a Duffinian number.

456889 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (456881) 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, 1239 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (114964).

2⁴⁵⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

456889 is a deficient number, since it is larger than the sum of its proper divisors (2967).

456889 is a wasteful number, since it uses less digits than its factorization.

456889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its digits is 69120, while the sum is 40.

The square root of 456889 is about 675.9356478246. The cubic root of 456889 is about 77.0200094173.

The spelling of 456889 in words is "four hundred fifty-six thousand, eight hundred eighty-nine".