421067608 has 16 divisors (see below), whose sum is σ = 850232880. Its totient is φ = 194338848.

The previous prime is 421067599. The next prime is 421067609. The reversal of 421067608 is 806760124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421067609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024260 + ... + 2024467.

It is an arithmetic number, because the mean of its divisors is an integer number (53139555).

Almost surely, 2^421067608 is an apocalyptic number.

It is an amenable number.

421067608 is an abundant number, since it is smaller than the sum of its proper divisors (429165272).

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

421067608 is a wasteful number, since it uses less digits than its factorization.

421067608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048746 (or 4048742 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 421067608 is about 20519.9319686981. The cubic root of 421067608 is about 749.5212399316.

The spelling of 421067608 in words is "four hundred twenty-one million, sixty-seven thousand, six hundred eight".