43434213 has 4 divisors (see below), whose sum is σ = 57912288. Its totient is φ = 28956140.

The previous prime is 43434169. The next prime is 43434227. The reversal of 43434213 is 31243434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43434213 - 2¹⁸ = 43172069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43434233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7239033 + ... + 7239038.

It is an arithmetic number, because the mean of its divisors is an integer number (14478072).

Almost surely, 2^43434213 is an apocalyptic number.

It is an amenable number.

43434213 is a deficient number, since it is larger than the sum of its proper divisors (14478075).

43434213 is a wasteful number, since it uses less digits than its factorization.

43434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478074.

The product of its digits is 3456, while the sum is 24.

The square root of 43434213 is about 6590.4637924808. The cubic root of 43434213 is about 351.5150999127.

Adding to 43434213 its reverse (31243434), we get a palindrome (74677647).

The spelling of 43434213 in words is "forty-three million, four hundred thirty-four thousand, two hundred thirteen".