493686 has 12 divisors (see below), whose sum is σ = 1069692. Its totient is φ = 164556.

The previous prime is 493657. The next prime is 493693. The reversal of 493686 is 686394.

493686 is nontrivially palindromic in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 493686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13696 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (89141).

2⁴⁹³⁶⁸⁶ is an apocalyptic number.

493686 is an abundant number, since it is smaller than the sum of its proper divisors (576006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493686 is a wasteful number, since it uses less digits than its factorization.

493686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27435 (or 27432 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 493686 is about 702.6279242956. The cubic root of 493686 is about 79.0345413232.

The spelling of 493686 in words is "four hundred ninety-three thousand, six hundred eighty-six".