493636 has 24 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 206880.

The previous prime is 493627. The next prime is 493643. The reversal of 493636 is 636394.

493636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 493598 and 493607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁴⁹³⁶³⁶ is an apocalyptic number.

It is an amenable number.

493636 is an abundant number, since it is smaller than the sum of its proper divisors (522428).

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

493636 is a wasteful number, since it uses less digits than its factorization.

493636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 493636 is about 702.5923426853. The cubic root of 493636 is about 79.0318730546.

It can be divided in two parts, 4 and 93636, that multiplied together give a square (374544 = 612²).

The spelling of 493636 in words is "four hundred ninety-three thousand, six hundred thirty-six".