324024021 has 12 divisors (see below), whose sum is σ = 468287820. Its totient is φ = 215899200.

The previous prime is 324024017. The next prime is 324024037. The reversal of 324024021 is 120420423.

It can be written as a sum of positive squares in 2 ways, for example, as 115799121 + 208224900 = 10761^2 + 14430^2 .

It is not a de Polignac number, because 324024021 - 2² = 324024017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324023985 and 324024003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324024061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9921 + ... + 27321.

It is an arithmetic number, because the mean of its divisors is an integer number (39023985).

Almost surely, 2^324024021 is an apocalyptic number.

It is an amenable number.

324024021 is a deficient number, since it is larger than the sum of its proper divisors (144263799).

324024021 is a wasteful number, since it uses less digits than its factorization.

324024021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19476 (or 19473 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 324024021 is about 18000.6672376332. The cubic root of 324024021 is about 686.8455186810.

Adding to 324024021 its reverse (120420423), we get a palindrome (444444444).

It can be divided in two parts, 3240 and 24021, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 324024021 in words is "three hundred twenty-four million, twenty-four thousand, twenty-one".