43974 has 24 divisors (see below), whose sum is σ = 109200. Its totient is φ = 12528.

The previous prime is 43973. The next prime is 43987. The reversal of 43974 is 47934.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43974.

It is not an unprimeable number, because it can be changed into a prime (43973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (4550).

2⁴³⁹⁷⁴ is an apocalyptic number.

43974 is an abundant number, since it is smaller than the sum of its proper divisors (65226).

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 (54600).

43974 is a wasteful number, since it uses less digits than its factorization.

43974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

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

The square root of 43974 is about 209.6997854076. The cubic root of 43974 is about 35.2965282667.

The spelling of 43974 in words is "forty-three thousand, nine hundred seventy-four".