497397 has 4 divisors (see below), whose sum is σ = 663200. Its totient is φ = 331596.

The previous prime is 497389. The next prime is 497411. The reversal of 497397 is 793794.

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 not a de Polignac number, because 497397 - 2³ = 497389 is a prime.

It is a D-number.

It is a Duffinian number.

497397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82897 + ... + 82902.

It is an arithmetic number, because the mean of its divisors is an integer number (165800).

2⁴⁹⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

497397 is a deficient number, since it is larger than the sum of its proper divisors (165803).

497397 is a wasteful number, since it uses less digits than its factorization.

497397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165802.

The product of its digits is 47628, while the sum is 39.

The square root of 497397 is about 705.2637804396. The cubic root of 497397 is about 79.2320793932.

The spelling of 497397 in words is "four hundred ninety-seven thousand, three hundred ninety-seven".