421133324 has 12 divisors (see below), whose sum is σ = 747983544. Its totient is φ = 207423744.

The previous prime is 421133311. The next prime is 421133329. The reversal of 421133324 is 423331124.

It is a self number, because there is not a number n which added to its sum of digits gives 421133324.

It is not an unprimeable number, because it can be changed into a prime (421133329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785429 + ... + 785964.

It is an arithmetic number, because the mean of its divisors is an integer number (62331962).

Almost surely, 2^421133324 is an apocalyptic number.

It is an amenable number.

421133324 is a deficient number, since it is larger than the sum of its proper divisors (326850220).

421133324 is a wasteful number, since it uses less digits than its factorization.

421133324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571464 (or 1571462 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 421133324 is about 20521.5331785907. The cubic root of 421133324 is about 749.5602304837.

Adding to 421133324 its reverse (423331124), we get a palindrome (844464448).

The spelling of 421133324 in words is "four hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty-four".