43794 has 16 divisors (see below), whose sum is σ = 97440. Its totient is φ = 14580.

The previous prime is 43793. The next prime is 43801. The reversal of 43794 is 49734.

Added to its reverse (49734) it gives a triangular number (93528 = T₄₃₂).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43793) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 352 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (6090).

2⁴³⁷⁹⁴ is an apocalyptic number.

43794 is an abundant number, since it is smaller than the sum of its proper divisors (53646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48720).

43794 is a wasteful number, since it uses less digits than its factorization.

43794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 816 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 43794 is about 209.2701603191. The cubic root of 43794 is about 35.2483023175.

Adding to 43794 its reverse (49734), we get a triangular number (93528 = T₄₃₂).

The spelling of 43794 in words is "forty-three thousand, seven hundred ninety-four".