434421213 has 16 divisors (see below), whose sum is σ = 613728576. Its totient is φ = 272387840.

The previous prime is 434421167. The next prime is 434421227. The reversal of 434421213 is 312124434.

It is a cyclic number.

It is not a de Polignac number, because 434421213 - 2²⁰ = 433372637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434421293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121195 + ... + 124727.

It is an arithmetic number, because the mean of its divisors is an integer number (38358036).

Almost surely, 2^434421213 is an apocalyptic number.

It is an amenable number.

434421213 is a deficient number, since it is larger than the sum of its proper divisors (179307363).

434421213 is a wasteful number, since it uses less digits than its factorization.

434421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964.

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

The square root of 434421213 is about 20842.7736398014. The cubic root of 434421213 is about 757.3622854137.

Adding to 434421213 its reverse (312124434), we get a palindrome (746545647).

The spelling of 434421213 in words is "four hundred thirty-four million, four hundred twenty-one thousand, two hundred thirteen".