493556 has 12 divisors (see below), whose sum is σ = 987168. Its totient is φ = 211512.

The previous prime is 493541. The next prime is 493567. The reversal of 493556 is 655394.

It is a happy number.

493556 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

493556 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, 8786 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (82264).

2⁴⁹³⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

493556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

493556 is a wasteful number, since it uses less digits than its factorization.

493556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638 (or 17636 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 493556 is about 702.5354083603. The cubic root of 493556 is about 79.0276034501.

The spelling of 493556 in words is "four hundred ninety-three thousand, five hundred fifty-six".