421814108 has 6 divisors (see below), whose sum is σ = 738174696. Its totient is φ = 210907052.

The previous prime is 421814093. The next prime is 421814161. The reversal of 421814108 is 801418124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52726760 + ... + 52726767.

It is an arithmetic number, because the mean of its divisors is an integer number (123029116).

Almost surely, 2^421814108 is an apocalyptic number.

It is an amenable number.

421814108 is a deficient number, since it is larger than the sum of its proper divisors (316360588).

421814108 is a wasteful number, since it uses less digits than its factorization.

421814108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105453531 (or 105453529 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 421814108 is about 20538.1135453089. The cubic root of 421814108 is about 749.9639141156.

The spelling of 421814108 in words is "four hundred twenty-one million, eight hundred fourteen thousand, one hundred eight".