19984324 has 6 divisors (see below), whose sum is σ = 34972574. Its totient is φ = 9992160.

The previous prime is 19984319. The next prime is 19984337. The reversal of 19984324 is 42348991.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 5846724 = 3760^2 + 2418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498037 + ... + 2498044.

Almost surely, 2^19984324 is an apocalyptic number.

It is an amenable number.

19984324 is a deficient number, since it is larger than the sum of its proper divisors (14988250).

19984324 is a wasteful number, since it uses less digits than its factorization.

19984324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996085 (or 4996083 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 19984324 is about 4470.3829813563. The cubic root of 19984324 is about 271.3708244385.

The spelling of 19984324 in words is "nineteen million, nine hundred eighty-four thousand, three hundred twenty-four".