497679 has 16 divisors (see below), whose sum is σ = 817152. Its totient is φ = 262368.

The previous prime is 497677. The next prime is 497689. The reversal of 497679 is 976794.

497679 = 56² + 57² + ... + 118².

It is not a de Polignac number, because 497679 - 2¹ = 497677 is a prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 497679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (51072).

2⁴⁹⁷⁶⁷⁹ is an apocalyptic number.

497679 is a deficient number, since it is larger than the sum of its proper divisors (319473).

497679 is a wasteful number, since it uses less digits than its factorization.

497679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 95256, while the sum is 42.

The square root of 497679 is about 705.4636773073. The cubic root of 497679 is about 79.2470501478.

It can be divided in two parts, 497 and 679, that added together give a triangular number (1176 = T₄₈).

The spelling of 497679 in words is "four hundred ninety-seven thousand, six hundred seventy-nine".