434435213 has 4 divisors (see below), whose sum is σ = 436332540. Its totient is φ = 432537888.

The previous prime is 434435207. The next prime is 434435219. The reversal of 434435213 is 312534434.

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

It is an interprime number because it is at equal distance from previous prime (434435207) and next prime (434435219).

It can be written as a sum of positive squares in 2 ways, for example, as 420988324 + 13446889 = 20518^2 + 3667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434435213 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 (434435219) 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, 948320 + ... + 948777.

It is an arithmetic number, because the mean of its divisors is an integer number (109083135).

Almost surely, 2^434435213 is an apocalyptic number.

It is an amenable number.

434435213 is a deficient number, since it is larger than the sum of its proper divisors (1897327).

434435213 is a wasteful number, since it uses less digits than its factorization.

434435213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897326.

The product of its digits is 17280, while the sum is 29.

The square root of 434435213 is about 20843.1094849113. The cubic root of 434435213 is about 757.3704211107.

Adding to 434435213 its reverse (312534434), we get a palindrome (746969647).

The spelling of 434435213 in words is "four hundred thirty-four million, four hundred thirty-five thousand, two hundred thirteen".