493656 has 32 divisors (see below), whose sum is σ = 1256640. Its totient is φ = 161568.

The previous prime is 493643. The next prime is 493657. The reversal of 493656 is 656394.

It is a happy number.

493656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (39270).

2⁴⁹³⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

493656 is an abundant number, since it is smaller than the sum of its proper divisors (762984).

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

493656 is a wasteful number, since it uses less digits than its factorization.

493656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 493656 is about 702.6065755457. The cubic root of 493656 is about 79.0329403836.

The spelling of 493656 in words is "four hundred ninety-three thousand, six hundred fifty-six".