493826 has 4 divisors (see below), whose sum is σ = 740742. Its totient is φ = 246912.

The previous prime is 493817. The next prime is 493853. The reversal of 493826 is 628394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 403225 + 90601 = 635^2 + 301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493792 and 493801.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493826.

It is an unprimeable number.

493826 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 123455 + ... + 123458.

2⁴⁹³⁸²⁶ is an apocalyptic number.

493826 is a deficient number, since it is larger than the sum of its proper divisors (246916).

493826 is a wasteful number, since it uses less digits than its factorization.

493826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246915.

The product of its digits is 10368, while the sum is 32.

The square root of 493826 is about 702.7275432200. The cubic root of 493826 is about 79.0420115168.

The spelling of 493826 in words is "four hundred ninety-three thousand, eight hundred twenty-six".