421430300 has 36 divisors (see below), whose sum is σ = 918883896. Its totient is φ = 167764800.

The previous prime is 421430281. The next prime is 421430327. The reversal of 421430300 is 3034124.

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, 11114 + ... + 31086.

Almost surely, 2^421430300 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 421430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459441948).

421430300 is an abundant number, since it is smaller than the sum of its proper divisors (497453596).

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

421430300 is a wasteful number, since it uses less digits than its factorization.

421430300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20198 (or 20191 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 421430300 is about 20528.7676200984. The cubic root of 421430300 is about 749.7363814253.

Adding to 421430300 its reverse (3034124), we get a palindrome (424464424).

The spelling of 421430300 in words is "four hundred twenty-one million, four hundred thirty thousand, three hundred".