43598 has 4 divisors (see below), whose sum is σ = 65400. Its totient is φ = 21798.

The previous prime is 43597. The next prime is 43607. The reversal of 43598 is 89534.

43598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 43598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10898 + ... + 10901.

It is an arithmetic number, because the mean of its divisors is an integer number (16350).

2⁴³⁵⁹⁸ is an apocalyptic number.

43598 is a deficient number, since it is larger than the sum of its proper divisors (21802).

43598 is a wasteful number, since it uses less digits than its factorization.

43598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21801.

The product of its digits is 4320, while the sum is 29.

The square root of 43598 is about 208.8013409919. The cubic root of 43598 is about 35.1956390947.

The spelling of 43598 in words is "forty-three thousand, five hundred ninety-eight".