43604652 has 96 divisors (see below), whose sum is σ = 127171072. Its totient is φ = 11321856.

The previous prime is 43604651. The next prime is 43604669. The reversal of 43604652 is 25640634.

43604652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43604652² = 3802731352082208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43604651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79443 + ... + 79989.

Almost surely, 2^43604652 is an apocalyptic number.

43604652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43604652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63585536).

43604652 is an abundant number, since it is smaller than the sum of its proper divisors (83566420).

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

43604652 is a wasteful number, since it uses less digits than its factorization.

43604652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 43604652 is about 6603.3818608346. The cubic root of 43604652 is about 351.9742900471.

The spelling of 43604652 in words is "forty-three million, six hundred four thousand, six hundred fifty-two".