434030213 has 4 divisors (see below), whose sum is σ = 459561420. Its totient is φ = 408499008.

The previous prime is 434030209. The next prime is 434030227. The reversal of 434030213 is 312030434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179372449 + 254657764 = 13393^2 + 15958^2 .

It is a cyclic number.

It is not a de Polignac number, because 434030213 - 2² = 434030209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434030293) 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, 12765578 + ... + 12765611.

It is an arithmetic number, because the mean of its divisors is an integer number (114890355).

Almost surely, 2^434030213 is an apocalyptic number.

It is an amenable number.

434030213 is a deficient number, since it is larger than the sum of its proper divisors (25531207).

434030213 is a wasteful number, since it uses less digits than its factorization.

434030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531206.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 434030213 is about 20833.3917785847. The cubic root of 434030213 is about 757.1349963737.

Adding to 434030213 its reverse (312030434), we get a palindrome (746060647).

The spelling of 434030213 in words is "four hundred thirty-four million, thirty thousand, two hundred thirteen".