43946 has 16 divisors (see below), whose sum is σ = 78144. Its totient is φ = 18144.

The previous prime is 43943. The next prime is 43951. The reversal of 43946 is 64934.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (4884).

2⁴³⁹⁴⁶ is an apocalyptic number.

43946 is a deficient number, since it is larger than the sum of its proper divisors (34198).

43946 is a wasteful number, since it uses less digits than its factorization.

43946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125.

The product of its digits is 2592, while the sum is 26.

The square root of 43946 is about 209.6330126674. The cubic root of 43946 is about 35.2890351069.

It can be divided in two parts, 43 and 946, that added together give a palindrome (989).

The spelling of 43946 in words is "forty-three thousand, nine hundred forty-six".