434242433 has 4 divisors (see below), whose sum is σ = 449216340. Its totient is φ = 419268528.

The previous prime is 434242429. The next prime is 434242453. The reversal of 434242433 is 334242434.

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 183115024 + 251127409 = 13532^2 + 15847^2 .

It is a cyclic number.

It is not a de Polignac number, because 434242433 - 2² = 434242429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 14973877 = 434242433 / (4 + 3 + 4 + 2 + 4 + 2 + 4 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434242396 and 434242405.

It is not an unprimeable number, because it can be changed into a prime (434242453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486910 + ... + 7486967.

It is an arithmetic number, because the mean of its divisors is an integer number (112304085).

Almost surely, 2^434242433 is an apocalyptic number.

It is an amenable number.

434242433 is a deficient number, since it is larger than the sum of its proper divisors (14973907).

434242433 is a wasteful number, since it uses less digits than its factorization.

434242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973906.

The product of its digits is 27648, while the sum is 29.

The square root of 434242433 is about 20838.4844218576. The cubic root of 434242433 is about 757.2583771915.

Adding to 434242433 its reverse (334242434), we get a palindrome (768484867).

Subtracting from 434242433 its reverse (334242434), we obtain a palindrome (99999999).

The spelling of 434242433 in words is "four hundred thirty-four million, two hundred forty-two thousand, four hundred thirty-three".