421606212 has 48 divisors (see below), whose sum is σ = 1003060800. Its totient is φ = 137789440.

The previous prime is 421606193. The next prime is 421606243. The reversal of 421606212 is 212606124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453364 + ... + 454292.

It is an arithmetic number, because the mean of its divisors is an integer number (20897100).

Almost surely, 2^421606212 is an apocalyptic number.

It is an amenable number.

421606212 is an abundant number, since it is smaller than the sum of its proper divisors (581454588).

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

421606212 is a wasteful number, since it uses less digits than its factorization.

421606212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 421606212 is about 20533.0516972027. The cubic root of 421606212 is about 749.8406843827.

The spelling of 421606212 in words is "four hundred twenty-one million, six hundred six thousand, two hundred twelve".