434421212 has 12 divisors (see below), whose sum is σ = 760385640. Its totient is φ = 217168176.

The previous prime is 434421167. The next prime is 434421227. The reversal of 434421212 is 212124434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28214 + ... + 40802.

It is an arithmetic number, because the mean of its divisors is an integer number (63365470).

Almost surely, 2^434421212 is an apocalyptic number.

It is an amenable number.

434421212 is a deficient number, since it is larger than the sum of its proper divisors (325964428).

434421212 is a wasteful number, since it uses less digits than its factorization.

434421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21220 (or 21218 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 434421212 is about 20842.7736158123. The cubic root of 434421212 is about 757.3622848325.

Adding to 434421212 its reverse (212124434), we get a palindrome (646545646).

The spelling of 434421212 in words is "four hundred thirty-four million, four hundred twenty-one thousand, two hundred twelve".