421413900 has 72 divisors (see below), whose sum is σ = 1228713024. Its totient is φ = 111508800.

The previous prime is 421413899. The next prime is 421413911. The reversal of 421413900 is 9314124.

It is a super-2 number, since 2×421413900² = 355179350226420000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 33939 + ... + 44661.

Almost surely, 2^421413900 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 421413900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614356512).

421413900 is an abundant number, since it is smaller than the sum of its proper divisors (807299124).

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

421413900 is a wasteful number, since it uses less digits than its factorization.

421413900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10864 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 421413900 is about 20528.3681767451. The cubic root of 421413900 is about 749.7266559450.

The spelling of 421413900 in words is "four hundred twenty-one million, four hundred thirteen thousand, nine hundred".