421483384 has 48 divisors (see below), whose sum is σ = 953262000. Its totient is φ = 171120384.

The previous prime is 421483373. The next prime is 421483411. The reversal of 421483384 is 483384124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9792 + ... + 30640.

It is an arithmetic number, because the mean of its divisors is an integer number (19859625).

Almost surely, 2^421483384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421483384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476631000).

421483384 is an abundant number, since it is smaller than the sum of its proper divisors (531778616).

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

421483384 is a wasteful number, since it uses less digits than its factorization.

421483384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900 (or 20877 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 421483384 is about 20530.0604967448. The cubic root of 421483384 is about 749.7678594143.

The spelling of 421483384 in words is "four hundred twenty-one million, four hundred eighty-three thousand, three hundred eighty-four".