421214910 has 32 divisors (see below), whose sum is σ = 1012126752. Its totient is φ = 112189440.

The previous prime is 421214909. The next prime is 421214921. The reversal of 421214910 is 19412124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18462 + ... + 34398.

It is an arithmetic number, because the mean of its divisors is an integer number (31628961).

Almost surely, 2^421214910 is an apocalyptic number.

421214910 is an abundant number, since it is smaller than the sum of its proper divisors (590911842).

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

421214910 is a wasteful number, since it uses less digits than its factorization.

421214910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 421214910 is about 20523.5208967662. The cubic root of 421214910 is about 749.6086313652.

The spelling of 421214910 in words is "four hundred twenty-one million, two hundred fourteen thousand, nine hundred ten".