434140432 has 20 divisors (see below), whose sum is σ = 917615376. Its totient is φ = 197336480.

The previous prime is 434140429. The next prime is 434140439. The reversal of 434140432 is 234041434.

It is a junction number, because it is equal to n+sod(n) for n = 434140397 and 434140406.

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 3 ways as a sum of consecutive naturals, for example, 1233178 + ... + 1233529.

Almost surely, 2^434140432 is an apocalyptic number.

It is an amenable number.

434140432 is an abundant number, since it is smaller than the sum of its proper divisors (483474944).

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

434140432 is a wasteful number, since it uses less digits than its factorization.

434140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466726 (or 2466720 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 434140432 is about 20836.0368592494. The cubic root of 434140432 is about 757.1990806983.

Adding to 434140432 its reverse (234041434), we get a palindrome (668181866).

The spelling of 434140432 in words is "four hundred thirty-four million, one hundred forty thousand, four hundred thirty-two".