493530 has 16 divisors (see below), whose sum is σ = 1184544. Its totient is φ = 131600.

The previous prime is 493523. The next prime is 493531. The reversal of 493530 is 35394.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 493530.

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

493530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8196 + ... + 8255.

It is an arithmetic number, because the mean of its divisors is an integer number (74034).

2⁴⁹³⁵³⁰ is an apocalyptic number.

493530 is an abundant number, since it is smaller than the sum of its proper divisors (691014).

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

493530 is a wasteful number, since it uses less digits than its factorization.

493530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16461.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 493530 is about 702.5169037112. The cubic root of 493530 is about 79.0262157293.

The spelling of 493530 in words is "four hundred ninety-three thousand, five hundred thirty".