497856 has 28 divisors (see below), whose sum is σ = 1317752. Its totient is φ = 165888.

The previous prime is 497851. The next prime is 497867. The reversal of 497856 is 658794.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497851) by changing a digit.

497856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105 + ... + 1488.

2⁴⁹⁷⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

497856 is an abundant number, since it is smaller than the sum of its proper divisors (819896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497856 is a wasteful number, since it uses less digits than its factorization.

497856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2598 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 497856 is about 705.5891155623. The cubic root of 497856 is about 79.2564437966.

The spelling of 497856 in words is "four hundred ninety-seven thousand, eight hundred fifty-six".