497997 has 6 divisors (see below), whose sum is σ = 719342. Its totient is φ = 331992.

The previous prime is 497993. The next prime is 497999. The reversal of 497997 is 799794.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 145161 = 594^2 + 381^2 .

It is not a de Polignac number, because 497997 - 2² = 497993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 497997.

It is not an unprimeable number, because it can be changed into a prime (497993) 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 5 ways as a sum of consecutive naturals, for example, 27658 + ... + 27675.

2⁴⁹⁷⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

497997 is a deficient number, since it is larger than the sum of its proper divisors (221345).

497997 is a wasteful number, since it uses less digits than its factorization.

497997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55339 (or 55336 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 497997 is about 705.6890249961. The cubic root of 497997 is about 79.2639252797.

The spelling of 497997 in words is "four hundred ninety-seven thousand, nine hundred ninety-seven".