493684 has 12 divisors (see below), whose sum is σ = 874944. Its totient is φ = 243704.

The previous prime is 493657. The next prime is 493693. The reversal of 493684 is 486394.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

493684 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2⁴⁹³⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

493684 is a deficient number, since it is larger than the sum of its proper divisors (381260).

493684 is a wasteful number, since it uses less digits than its factorization.

493684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 493684 is about 702.6265010658. The cubic root of 493684 is about 79.0344345959.

The spelling of 493684 in words is "four hundred ninety-three thousand, six hundred eighty-four".