536493 has 4 divisors (see below), whose sum is σ = 715328. Its totient is φ = 357660.

The previous prime is 536491. The next prime is 536509. The reversal of 536493 is 394635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 536493 - 2¹ = 536491 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536491) 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 in 3 ways as a sum of consecutive naturals, for example, 89413 + ... + 89418.

It is an arithmetic number, because the mean of its divisors is an integer number (178832).

2⁵³⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

536493 is a deficient number, since it is larger than the sum of its proper divisors (178835).

536493 is a wasteful number, since it uses less digits than its factorization.

536493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178834.

The product of its digits is 9720, while the sum is 30.

The square root of 536493 is about 732.4568246661. The cubic root of 536493 is about 81.2558591435.

The spelling of 536493 in words is "five hundred thirty-six thousand, four hundred ninety-three".