36443 has 4 divisors (see below), whose sum is σ = 39768. Its totient is φ = 33120.

The previous prime is 36433. The next prime is 36451. The reversal of 36443 is 34463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36443 - 2⁸ = 36187 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36443.

It is not an unprimeable number, because it can be changed into a prime (36433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (9942).

2³⁶⁴⁴³ is an apocalyptic number.

36443 is a deficient number, since it is larger than the sum of its proper divisors (3325).

36443 is a wasteful number, since it uses less digits than its factorization.

36443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its digits is 864, while the sum is 20.

The square root of 36443 is about 190.9004976421. The cubic root of 36443 is about 33.1541608646.

Adding to 36443 its sum of digits (20), we get a palindrome (36463).

It can be divided in two parts, 3 and 6443, that added together give a palindrome (6446).

The spelling of 36443 in words is "thirty-six thousand, four hundred forty-three".