489973 has 4 divisors (see below), whose sum is σ = 534528. Its totient is φ = 445420.

The previous prime is 489961. The next prime is 489977. The reversal of 489973 is 379984.

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 489973 - 2⁵ = 489941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489977) 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, 22261 + ... + 22282.

It is an arithmetic number, because the mean of its divisors is an integer number (133632).

2⁴⁸⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

489973 is a deficient number, since it is larger than the sum of its proper divisors (44555).

489973 is a wasteful number, since it uses less digits than its factorization.

489973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44554.

The product of its digits is 54432, while the sum is 40.

The square root of 489973 is about 699.9807140200. The cubic root of 489973 is about 78.8359035715.

The spelling of 489973 in words is "four hundred eighty-nine thousand, nine hundred seventy-three".