536643 has 6 divisors (see below), whose sum is σ = 775164. Its totient is φ = 357756.

The previous prime is 536633. The next prime is 536651. The reversal of 536643 is 346635.

It is not a de Polignac number, because 536643 - 2¹² = 532547 is a prime.

It is a d-powerful number, because it can be written as 5³ + 3⁶ + 6² + 6³ + 4⁶ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (536633) 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, 29805 + ... + 29822.

It is an arithmetic number, because the mean of its divisors is an integer number (129194).

2⁵³⁶⁶⁴³ is an apocalyptic number.

536643 is a deficient number, since it is larger than the sum of its proper divisors (238521).

536643 is a wasteful number, since it uses less digits than its factorization.

536643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59633 (or 59630 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 536643 is about 732.5592126238. The cubic root of 536643 is about 81.2634313101.

The spelling of 536643 in words is "five hundred thirty-six thousand, six hundred forty-three".