43598664 has 48 divisors (see below), whose sum is σ = 119246400. Its totient is φ = 14389344.

The previous prime is 43598663. The next prime is 43598669. The reversal of 43598664 is 46689534.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (43598663) 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, 4477 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (2484300).

Almost surely, 2^43598664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43598664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59623200).

43598664 is an abundant number, since it is smaller than the sum of its proper divisors (75647736).

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

43598664 is a wasteful number, since it uses less digits than its factorization.

43598664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5987 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 43598664 is about 6602.9284412297. The cubic root of 43598664 is about 351.9581777102.

It can be divided in two parts, 435 and 98664, that added together give a palindrome (99099).

The spelling of 43598664 in words is "forty-three million, five hundred ninety-eight thousand, six hundred sixty-four".