43421352 has 64 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 12897024.

The previous prime is 43421351. The next prime is 43421369. The reversal of 43421352 is 25312434.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (43421351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6649 + ... + 11447.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^43421352 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 43421352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480000).

43421352 is an abundant number, since it is smaller than the sum of its proper divisors (77538648).

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

43421352 is a wasteful number, since it uses less digits than its factorization.

43421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 4846 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 43421352 is about 6589.4879922495. The cubic root of 43421352 is about 351.4804015979.

Adding to 43421352 its reverse (25312434), we get a palindrome (68733786).

The spelling of 43421352 in words is "forty-three million, four hundred twenty-one thousand, three hundred fifty-two".