43894 has 8 divisors (see below), whose sum is σ = 69768. Its totient is φ = 20640.

The previous prime is 43891. The next prime is 43913. The reversal of 43894 is 49834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43891) 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, 612 + ... + 679.

It is an arithmetic number, because the mean of its divisors is an integer number (8721).

2⁴³⁸⁹⁴ is an apocalyptic number.

43894 is a deficient number, since it is larger than the sum of its proper divisors (25874).

43894 is a wasteful number, since it uses less digits than its factorization.

43894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its digits is 3456, while the sum is 28.

The square root of 43894 is about 209.5089496895. The cubic root of 43894 is about 35.2751107901.

It can be divided in two parts, 4 and 3894, that multiplied together give a triangular number (15576 = T₁₇₆).

The spelling of 43894 in words is "forty-three thousand, eight hundred ninety-four".