421200304 has 40 divisors (see below), whose sum is σ = 957874208. Its totient is φ = 175633920.

The previous prime is 421200301. The next prime is 421200319. The reversal of 421200304 is 403002124.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (421200301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46677 + ... + 54964.

Almost surely, 2^421200304 is an apocalyptic number.

It is an amenable number.

421200304 is an abundant number, since it is smaller than the sum of its proper divisors (536673904).

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

421200304 is a wasteful number, since it uses less digits than its factorization.

421200304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101693 (or 101687 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 421200304 is about 20523.1650580509. The cubic root of 421200304 is about 749.5999668174.

Adding to 421200304 its reverse (403002124), we get a palindrome (824202428).

The spelling of 421200304 in words is "four hundred twenty-one million, two hundred thousand, three hundred four".