493816 has 16 divisors (see below), whose sum is σ = 980640. Its totient is φ = 232320.

The previous prime is 493813. The next prime is 493817. The reversal of 493816 is 618394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493811) 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, 1680 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (61290).

2⁴⁹³⁸¹⁶ is an apocalyptic number.

It is an amenable number.

493816 is a deficient number, since it is larger than the sum of its proper divisors (486824).

493816 is a wasteful number, since it uses less digits than its factorization.

493816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3650 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 493816 is about 702.7204280509. The cubic root of 493816 is about 79.0414779783.

The spelling of 493816 in words is "four hundred ninety-three thousand, eight hundred sixteen".