497644 has 18 divisors (see below), whose sum is σ = 1013460. Its totient is φ = 213192.

The previous prime is 497633. The next prime is 497659. The reversal of 497644 is 446794.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1074 + ... + 1465.

2⁴⁹⁷⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

497644 is an abundant number, since it is smaller than the sum of its proper divisors (515816).

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

497644 is a wasteful number, since it uses less digits than its factorization.

497644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2548 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 497644 is about 705.4388704913. The cubic root of 497644 is about 79.2451923828.

The spelling of 497644 in words is "four hundred ninety-seven thousand, six hundred forty-four".