497489 has 4 divisors (see below), whose sum is σ = 499056. Its totient is φ = 495924.

The previous prime is 497479. The next prime is 497491. The reversal of 497489 is 984794.

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: 984794 = 2 ⋅492397.

It is a cyclic number.

It is not a de Polignac number, because 497489 - 2⁴ = 497473 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497449) 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, 119 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (124764).

2⁴⁹⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

497489 is a deficient number, since it is larger than the sum of its proper divisors (1567).

497489 is a wasteful number, since it uses less digits than its factorization.

497489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566.

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

The square root of 497489 is about 705.3290012469. The cubic root of 497489 is about 79.2369640909.

The spelling of 497489 in words is "four hundred ninety-seven thousand, four hundred eighty-nine".