421838360 has 16 divisors (see below), whose sum is σ = 949136400. Its totient is φ = 168735328.

The previous prime is 421838341. The next prime is 421838371. The reversal of 421838360 is 63838124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 421838360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5272940 + ... + 5273019.

It is an arithmetic number, because the mean of its divisors is an integer number (59321025).

Almost surely, 2^421838360 is an apocalyptic number.

421838360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421838360 is an abundant number, since it is smaller than the sum of its proper divisors (527298040).

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

421838360 is a wasteful number, since it uses less digits than its factorization.

421838360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545970 (or 10545966 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 421838360 is about 20538.7039513208. The cubic root of 421838360 is about 749.9782867788.

The spelling of 421838360 in words is "four hundred twenty-one million, eight hundred thirty-eight thousand, three hundred sixty".