421242324 has 24 divisors (see below), whose sum is σ = 983263008. Its totient is φ = 140362080.

The previous prime is 421242307. The next prime is 421242329. The reversal of 421242324 is 423242124.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421242294 and 421242303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421242329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41259 + ... + 50445.

It is an arithmetic number, because the mean of its divisors is an integer number (40969292).

Almost surely, 2^421242324 is an apocalyptic number.

It is an amenable number.

421242324 is an abundant number, since it is smaller than the sum of its proper divisors (562020684).

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

421242324 is a wasteful number, since it uses less digits than its factorization.

421242324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015 (or 13013 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 421242324 is about 20524.1887537608. The cubic root of 421242324 is about 749.6248933135.

Adding to 421242324 its reverse (423242124), we get a palindrome (844484448).

The spelling of 421242324 in words is "four hundred twenty-one million, two hundred forty-two thousand, three hundred twenty-four".