434140212 has 48 divisors (see below), whose sum is σ = 1130798592. Its totient is φ = 128496480.

The previous prime is 434140211. The next prime is 434140219. The reversal of 434140212 is 212041434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434140211) 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 15 ways as a sum of consecutive naturals, for example, 32568 + ... + 43919.

It is an arithmetic number, because the mean of its divisors is an integer number (23558304).

Almost surely, 2^434140212 is an apocalyptic number.

It is an amenable number.

434140212 is an abundant number, since it is smaller than the sum of its proper divisors (696658380).

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

434140212 is a wasteful number, since it uses less digits than its factorization.

434140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76548 (or 76546 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 434140212 is about 20836.0315799338. The cubic root of 434140212 is about 757.1989527951.

Adding to 434140212 its reverse (212041434), we get a palindrome (646181646).

The spelling of 434140212 in words is "four hundred thirty-four million, one hundred forty thousand, two hundred twelve".