421612266 has 64 divisors (see below), whose sum is σ = 903208320. Its totient is φ = 130959360.

The previous prime is 421612259. The next prime is 421612267. The reversal of 421612266 is 662216124.

It is not an unprimeable number, because it can be changed into a prime (421612267) 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 31 ways as a sum of consecutive naturals, for example, 805881 + ... + 806403.

It is an arithmetic number, because the mean of its divisors is an integer number (14112630).

Almost surely, 2^421612266 is an apocalyptic number.

421612266 is an abundant number, since it is smaller than the sum of its proper divisors (481596054).

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

421612266 is a wasteful number, since it uses less digits than its factorization.

421612266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 6912, while the sum is 30.

The square root of 421612266 is about 20533.1991175267. The cubic root of 421612266 is about 749.8442734457.

The spelling of 421612266 in words is "four hundred twenty-one million, six hundred twelve thousand, two hundred sixty-six".