434140430 has 16 divisors (see below), whose sum is σ = 806661504. Its totient is φ = 168054240.

The previous prime is 434140429. The next prime is 434140439. The reversal of 434140430 is 34041434.

It is a junction number, because it is equal to n+sod(n) for n = 434140396 and 434140405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434140439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699917 + ... + 700536.

It is an arithmetic number, because the mean of its divisors is an integer number (50416344).

Almost surely, 2^434140430 is an apocalyptic number.

434140430 is a deficient number, since it is larger than the sum of its proper divisors (372521074).

434140430 is a wasteful number, since it uses less digits than its factorization.

434140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400491.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 434140430 is about 20836.0368112556. The cubic root of 434140430 is about 757.1990795356.

Adding to 434140430 its reverse (34041434), we get a palindrome (468181864).

It can be divided in two parts, 4341404 and 30, that added together give a palindrome (4341434).

The spelling of 434140430 in words is "four hundred thirty-four million, one hundred forty thousand, four hundred thirty".