497636 has 12 divisors (see below), whose sum is σ = 889728. Its totient is φ = 243432.

The previous prime is 497633. The next prime is 497659. The reversal of 497636 is 636794.

497636 = T₃ + T₄ + ... + T₁₄₃.

497636 = 79² + 80² + ... + 125².

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 497596 and 497605.

It is not an unprimeable number, because it can be changed into a prime (497633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (74144).

497636 is a Friedman number, since it can be written as (9+3)^6/6-7*4, using all its digits and the basic arithmetic operations.

2⁴⁹⁷⁶³⁶ is an apocalyptic number.

It is an amenable number.

497636 is a deficient number, since it is larger than the sum of its proper divisors (392092).

497636 is a wasteful number, since it uses less digits than its factorization.

497636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2696 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 497636 is about 705.4332002394. The cubic root of 497636 is about 79.2447677386.

The spelling of 497636 in words is "four hundred ninety-seven thousand, six hundred thirty-six".