421611712 has 28 divisors (see below), whose sum is σ = 873014256. Its totient is φ = 201639680.

The previous prime is 421611623. The next prime is 421611721. The reversal of 421611712 is 217116124.

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, 141739 + ... + 144682.

Almost surely, 2^421611712 is an apocalyptic number.

It is an amenable number.

421611712 is an abundant number, since it is smaller than the sum of its proper divisors (451402544).

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

421611712 is a wasteful number, since it uses less digits than its factorization.

421611712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286456 (or 286446 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 421611712 is about 20533.1856271744. The cubic root of 421611712 is about 749.8439450129.

Adding to 421611712 its reverse (217116124), we get a palindrome (638727836).

The spelling of 421611712 in words is "four hundred twenty-one million, six hundred eleven thousand, seven hundred twelve".