421855350 has 96 divisors (see below), whose sum is σ = 1199923200. Its totient is φ = 96080640.

The previous prime is 421855333. The next prime is 421855363. The reversal of 421855350 is 53558124.

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 (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401626 + ... + 402674.

It is an arithmetic number, because the mean of its divisors is an integer number (12499200).

Almost surely, 2^421855350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421855350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599961600).

421855350 is an abundant number, since it is smaller than the sum of its proper divisors (778067850).

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

421855350 is a wasteful number, since it uses less digits than its factorization.

421855350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 421855350 is about 20539.1175565067. The cubic root of 421855350 is about 749.9883553748.

The spelling of 421855350 in words is "four hundred twenty-one million, eight hundred fifty-five thousand, three hundred fifty".