497767 has 4 divisors (see below), whose sum is σ = 513856. Its totient is φ = 481680.

The previous prime is 497741. The next prime is 497771. The reversal of 497767 is 767794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 497767 - 2¹⁵ = 464999 is a prime.

497767 is a lucky number.

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 (497737) 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 3 ways as a sum of consecutive naturals, for example, 7998 + ... + 8059.

It is an arithmetic number, because the mean of its divisors is an integer number (128464).

2⁴⁹⁷⁷⁶⁷ is an apocalyptic number.

497767 is a deficient number, since it is larger than the sum of its proper divisors (16089).

497767 is a wasteful number, since it uses less digits than its factorization.

497767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088.

The product of its digits is 74088, while the sum is 40.

The square root of 497767 is about 705.5260448772. The cubic root of 497767 is about 79.2517207148.

The spelling of 497767 in words is "four hundred ninety-seven thousand, seven hundred sixty-seven".