493028 has 18 divisors (see below), whose sum is σ = 905814. Its totient is φ = 234784.

The previous prime is 493027. The next prime is 493043. The reversal of 493028 is 820394.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 135424 = 598^2 + 368^2 .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 492988 and 493006.

It is not an unprimeable number, because it can be changed into a prime (493021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (50323).

2⁴⁹³⁰²⁸ is an apocalyptic number.

It is an amenable number.

493028 is a deficient number, since it is larger than the sum of its proper divisors (412786).

493028 is a wasteful number, since it uses less digits than its factorization.

493028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 493028 is about 702.1595260338. The cubic root of 493028 is about 78.9994124829. Note that the first 3 decimals are identical.

The spelling of 493028 in words is "four hundred ninety-three thousand, twenty-eight".