497643 has 8 divisors (see below), whose sum is σ = 685056. Its totient is φ = 321000.

The previous prime is 497633. The next prime is 497659. The reversal of 497643 is 346794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 497643 - 2⁶ = 497579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (85632).

2⁴⁹⁷⁶⁴³ is an apocalyptic number.

497643 is a deficient number, since it is larger than the sum of its proper divisors (187413).

497643 is a wasteful number, since it uses less digits than its factorization.

497643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its digits is 18144, while the sum is 33.

The square root of 497643 is about 705.4381617123. The cubic root of 497643 is about 79.2451393026.

The spelling of 497643 in words is "four hundred ninety-seven thousand, six hundred forty-three".