493828 has 6 divisors (see below), whose sum is σ = 864206. Its totient is φ = 246912.

The previous prime is 493817. The next prime is 493853. The reversal of 493828 is 828394.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 1024 = 702^2 + 32^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 493793 and 493802.

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 as a sum of consecutive naturals, namely, 61725 + ... + 61732.

2⁴⁹³⁸²⁸ is an apocalyptic number.

It is an amenable number.

493828 is a deficient number, since it is larger than the sum of its proper divisors (370378).

493828 is a wasteful number, since it uses less digits than its factorization.

493828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123461 (or 123459 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 493828 is about 702.7289662452. The cubic root of 493828 is about 79.0421182236.

The spelling of 493828 in words is "four hundred ninety-three thousand, eight hundred twenty-eight".