421067606 has 16 divisors (see below), whose sum is σ = 657756288. Its totient is φ = 201936000.

The previous prime is 421067599. The next prime is 421067609. The reversal of 421067606 is 606760124.

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 7 ways as a sum of consecutive naturals, for example, 23045 + ... + 37056.

It is an arithmetic number, because the mean of its divisors is an integer number (41109768).

Almost surely, 2^421067606 is an apocalyptic number.

421067606 is a deficient number, since it is larger than the sum of its proper divisors (236688682).

421067606 is a wasteful number, since it uses less digits than its factorization.

421067606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60247.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 421067606 is about 20519.9319199650. The cubic root of 421067606 is about 749.5212387449.

The spelling of 421067606 in words is "four hundred twenty-one million, sixty-seven thousand, six hundred six".