457489 has 4 divisors (see below), whose sum is σ = 463360. Its totient is φ = 451620.

The previous prime is 457469. The next prime is 457507. The reversal of 457489 is 984754.

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: 984754 = 2 ⋅492377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (115840).

2⁴⁵⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

457489 is a deficient number, since it is larger than the sum of its proper divisors (5871).

457489 is an equidigital number, since it uses as much as digits as its factorization.

457489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870.

The product of its digits is 40320, while the sum is 37.

The square root of 457489 is about 676.3793314406. The cubic root of 457489 is about 77.0537096460.

It can be divided in two parts, 457 and 489, that added together give a triangular number (946 = T₄₃).

The spelling of 457489 in words is "four hundred fifty-seven thousand, four hundred eighty-nine".