489497 has 4 divisors (see below), whose sum is σ = 515280. Its totient is φ = 463716.

The previous prime is 489493. The next prime is 489529. The reversal of 489497 is 794984.

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 489497 - 2² = 489493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489493) 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, 12863 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (128820).

2⁴⁸⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

489497 is a deficient number, since it is larger than the sum of its proper divisors (25783).

489497 is a wasteful number, since it uses less digits than its factorization.

489497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25782.

The product of its digits is 72576, while the sum is 41.

The square root of 489497 is about 699.6406220339. The cubic root of 489497 is about 78.8103660768.

The spelling of 489497 in words is "four hundred eighty-nine thousand, four hundred ninety-seven".