434140434 has 96 divisors (see below), whose sum is σ = 1174328064. Its totient is φ = 112855680.

The previous prime is 434140429. The next prime is 434140439. The reversal of 434140434 is 434041434.

It is an interprime number because it is at equal distance from previous prime (434140429) and next prime (434140439).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 434140398 and 434140407.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114432 + ... + 118164.

It is an arithmetic number, because the mean of its divisors is an integer number (12232584).

Almost surely, 2^434140434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434140434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587164032).

434140434 is an abundant number, since it is smaller than the sum of its proper divisors (740187630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434140434 is a wasteful number, since it uses less digits than its factorization.

434140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3829 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 434140434 is about 20836.0369072432. The cubic root of 434140434 is about 757.1990818611.

Adding to 434140434 its reverse (434041434), we get a palindrome (868181868).

The spelling of 434140434 in words is "four hundred thirty-four million, one hundred forty thousand, four hundred thirty-four".