43364 has 12 divisors (see below), whose sum is σ = 78204. Its totient is φ = 21024.

The previous prime is 43331. The next prime is 43391. The reversal of 43364 is 46334.

It is a happy number.

43364 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 40000 + 3364 = 200^2 + 58^2 .

It is a nialpdrome in base 9 and base 16.

It is an unprimeable number.

43364 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 294.

It is an arithmetic number, because the mean of its divisors is an integer number (6517).

2⁴³³⁶⁴ is an apocalyptic number.

It is an amenable number.

43364 is a deficient number, since it is larger than the sum of its proper divisors (34840).

43364 is a wasteful number, since it uses less digits than its factorization.

43364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

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

The square root of 43364 is about 208.2402458700. The cubic root of 43364 is about 35.1325585402.

Adding to 43364 its reverse (46334), we get a palindrome (89698).

It can be divided in two parts, 4 and 3364, that multiplied together give a square (13456 = 116²).

The spelling of 43364 in words is "forty-three thousand, three hundred sixty-four".