324212421 has 16 divisors (see below), whose sum is σ = 465865344. Its totient is φ = 199374144.

The previous prime is 324212419. The next prime is 324212443. The reversal of 324212421 is 124212423.

It is not a de Polignac number, because 324212421 - 2¹ = 324212419 is a prime.

It is a super-2 number, since 2×324212421² = 210227387861362482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90160 + ... + 93686.

It is an arithmetic number, because the mean of its divisors is an integer number (29116584).

Almost surely, 2^324212421 is an apocalyptic number.

It is an amenable number.

324212421 is a deficient number, since it is larger than the sum of its proper divisors (141652923).

324212421 is a wasteful number, since it uses less digits than its factorization.

324212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900.

The product of its digits is 768, while the sum is 21.

The square root of 324212421 is about 18005.8996165146. The cubic root of 324212421 is about 686.9786123363.

Adding to 324212421 its reverse (124212423), we get a palindrome (448424844).

The spelling of 324212421 in words is "three hundred twenty-four million, two hundred twelve thousand, four hundred twenty-one".