434413221 has 16 divisors (see below), whose sum is σ = 638134848. Its totient is φ = 260672000.

The previous prime is 434413201. The next prime is 434413237. The reversal of 434413221 is 122314434.

It is a cyclic number.

It is not a de Polignac number, because 434413221 - 2⁶ = 434413157 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 434413191 and 434413200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434413201) 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, 61836 + ... + 68501.

It is an arithmetic number, because the mean of its divisors is an integer number (39883428).

Almost surely, 2^434413221 is an apocalyptic number.

It is an amenable number.

434413221 is a deficient number, since it is larger than the sum of its proper divisors (203721627).

434413221 is a wasteful number, since it uses less digits than its factorization.

434413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130452.

The product of its digits is 2304, while the sum is 24.

The square root of 434413221 is about 20842.5819177951. The cubic root of 434413221 is about 757.3576410146.

Adding to 434413221 its reverse (122314434), we get a palindrome (556727655).

The spelling of 434413221 in words is "four hundred thirty-four million, four hundred thirteen thousand, two hundred twenty-one".