497669 has 6 divisors (see below), whose sum is σ = 518790. Its totient is φ = 476840.

The previous prime is 497663. The next prime is 497671. The reversal of 497669 is 966794.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 68644 = 655^2 + 262^2 .

It is not a de Polignac number, because 497669 - 2¹² = 493573 is a prime.

It is a super-2 number, since 2×497669² = 495348867122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3734 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (86465).

2⁴⁹⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

497669 is a deficient number, since it is larger than the sum of its proper divisors (21121).

497669 is an equidigital number, since it uses as much as digits as its factorization.

497669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 160 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 497669 is about 705.4565897346. The cubic root of 497669 is about 79.2465193667.

The spelling of 497669 in words is "four hundred ninety-seven thousand, six hundred sixty-nine".