324030021 has 16 divisors (see below), whose sum is σ = 510787200. Its totient is φ = 178774848.

The previous prime is 324030019. The next prime is 324030029. The reversal of 324030021 is 120030423.

It is not a de Polignac number, because 324030021 - 2¹ = 324030019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324030029) 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, 265426 + ... + 266643.

It is an arithmetic number, because the mean of its divisors is an integer number (31924200).

Almost surely, 2^324030021 is an apocalyptic number.

It is an amenable number.

324030021 is a deficient number, since it is larger than the sum of its proper divisors (186757179).

324030021 is a wasteful number, since it uses less digits than its factorization.

324030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532108.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 324030021 is about 18000.8338973504. The cubic root of 324030021 is about 686.8497581276.

Adding to 324030021 its reverse (120030423), we get a palindrome (444060444).

The spelling of 324030021 in words is "three hundred twenty-four million, thirty thousand, twenty-one".