43398 has 12 divisors (see below), whose sum is σ = 94068. Its totient is φ = 14460.

The previous prime is 43397. The next prime is 43399. The reversal of 43398 is 89334.

It is an interprime number because it is at equal distance from previous prime (43397) and next prime (43399).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43391) 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 5 ways as a sum of consecutive naturals, for example, 1188 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (7839).

2⁴³³⁹⁸ is an apocalyptic number.

43398 is an abundant number, since it is smaller than the sum of its proper divisors (50670).

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

43398 is a wasteful number, since it uses less digits than its factorization.

43398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 43398 is about 208.3218663511. The cubic root of 43398 is about 35.1417381588.

It can be divided in two parts, 43 and 398, that added together give a square (441 = 21²).

The spelling of 43398 in words is "forty-three thousand, three hundred ninety-eight".