421814107 has 24 divisors (see below), whose sum is σ = 501920720. Its totient is φ = 352123200.

The previous prime is 421814093. The next prime is 421814161. The reversal of 421814107 is 701418124.

It is a de Polignac number, because none of the positive numbers 2^k-421814107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421814167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359632 + ... + 360802.

Almost surely, 2^421814107 is an apocalyptic number.

421814107 is a deficient number, since it is larger than the sum of its proper divisors (80106613).

421814107 is a wasteful number, since it uses less digits than its factorization.

421814107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 421814107 is about 20538.1135209639. The cubic root of 421814107 is about 749.9639135230.

The spelling of 421814107 in words is "four hundred twenty-one million, eight hundred fourteen thousand, one hundred seven".