421858814 has 12 divisors (see below), whose sum is σ = 685209096. Its totient is φ = 194703912.

The previous prime is 421858807. The next prime is 421858823. The reversal of 421858814 is 418858124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623714 + ... + 624389.

It is an arithmetic number, because the mean of its divisors is an integer number (57100758).

Almost surely, 2^421858814 is an apocalyptic number.

421858814 is a deficient number, since it is larger than the sum of its proper divisors (263350282).

421858814 is a wasteful number, since it uses less digits than its factorization.

421858814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248131 (or 1248118 counting only the distinct ones).

The product of its digits is 81920, while the sum is 41.

The square root of 421858814 is about 20539.2018832281. The cubic root of 421858814 is about 749.9904081736.

The spelling of 421858814 in words is "four hundred twenty-one million, eight hundred fifty-eight thousand, eight hundred fourteen".