434211213 has 4 divisors (see below), whose sum is σ = 578948288. Its totient is φ = 289474140.

The previous prime is 434211209. The next prime is 434211223. The reversal of 434211213 is 312112434.

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 not a de Polignac number, because 434211213 - 2² = 434211209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434211223) 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, 72368533 + ... + 72368538.

It is an arithmetic number, because the mean of its divisors is an integer number (144737072).

Almost surely, 2^434211213 is an apocalyptic number.

It is an amenable number.

434211213 is a deficient number, since it is larger than the sum of its proper divisors (144737075).

434211213 is a wasteful number, since it uses less digits than its factorization.

434211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144737074.

The product of its digits is 576, while the sum is 21.

The square root of 434211213 is about 20837.7353136083. The cubic root of 434211213 is about 757.2402289780.

Adding to 434211213 its reverse (312112434), we get a palindrome (746323647).

The spelling of 434211213 in words is "four hundred thirty-four million, two hundred eleven thousand, two hundred thirteen".