421013304 has 48 divisors (see below), whose sum is σ = 1142224200. Its totient is φ = 140094144.

The previous prime is 421013273. The next prime is 421013317. The reversal of 421013304 is 403310124.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 39367 + ... + 48905.

Almost surely, 2^421013304 is an apocalyptic number.

It is an amenable number.

421013304 is an abundant number, since it is smaller than the sum of its proper divisors (721210896).

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

421013304 is a wasteful number, since it uses less digits than its factorization.

421013304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 421013304 is about 20518.6087247649. The cubic root of 421013304 is about 749.4890172746.

Adding to 421013304 its reverse (403310124), we get a palindrome (824323428).

The spelling of 421013304 in words is "four hundred twenty-one million, thirteen thousand, three hundred four".