324873972 has 18 divisors (see below), whose sum is σ = 821209298. Its totient is φ = 108291312.

The previous prime is 324873971. The next prime is 324873973. The reversal of 324873972 is 279378423.

It is an interprime number because it is at equal distance from previous prime (324873971) and next prime (324873973).

It can be written as a sum of positive squares in only one way, i.e., 323784036 + 1089936 = 17994^2 + 1044^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324873971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4512103 + ... + 4512174.

Almost surely, 2^324873972 is an apocalyptic number.

It is an amenable number.

324873972 is an abundant number, since it is smaller than the sum of its proper divisors (496335326).

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

324873972 is a wasteful number, since it uses less digits than its factorization.

324873972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024287 (or 9024282 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 324873972 is about 18024.2606505787. The cubic root of 324873972 is about 687.4455516990.

The spelling of 324873972 in words is "three hundred twenty-four million, eight hundred seventy-three thousand, nine hundred seventy-two".