43421104 has 20 divisors (see below), whose sum is σ = 84603960. Its totient is φ = 21587840.

The previous prime is 43421087. The next prime is 43421113. The reversal of 43421104 is 40112434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717 + ... + 10444.

It is an arithmetic number, because the mean of its divisors is an integer number (4230198).

Almost surely, 2^43421104 is an apocalyptic number.

It is an amenable number.

43421104 is a deficient number, since it is larger than the sum of its proper divisors (41182856).

43421104 is a wasteful number, since it uses less digits than its factorization.

43421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 43421104 is about 6589.4691743721. The cubic root of 43421104 is about 351.4797324394.

Adding to 43421104 its reverse (40112434), we get a palindrome (83533538).

The spelling of 43421104 in words is "forty-three million, four hundred twenty-one thousand, one hundred four".