493538 has 4 divisors (see below), whose sum is σ = 740310. Its totient is φ = 246768.

The previous prime is 493531. The next prime is 493541. The reversal of 493538 is 835394.

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., 413449 + 80089 = 643^2 + 283^2 .

It is not an unprimeable number, because it can be changed into a prime (493531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123383 + ... + 123386.

2⁴⁹³⁵³⁸ is an apocalyptic number.

493538 is a deficient number, since it is larger than the sum of its proper divisors (246772).

493538 is a wasteful number, since it uses less digits than its factorization.

493538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246771.

The product of its digits is 12960, while the sum is 32.

The square root of 493538 is about 702.5225975013. The cubic root of 493538 is about 79.0266427255.

The spelling of 493538 in words is "four hundred ninety-three thousand, five hundred thirty-eight".