19968484 has 12 divisors (see below), whose sum is σ = 35010864. Its totient is φ = 9965384.

The previous prime is 19968457. The next prime is 19968497. The reversal of 19968484 is 48486991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (2917572).

Almost surely, 2^19968484 is an apocalyptic number.

It is an amenable number.

19968484 is a deficient number, since it is larger than the sum of its proper divisors (15042380).

19968484 is a wasteful number, since it uses less digits than its factorization.

19968484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434 (or 9432 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 19968484 is about 4468.6109698652. The cubic root of 19968484 is about 271.2991073924.

The spelling of 19968484 in words is "nineteen million, nine hundred sixty-eight thousand, four hundred eighty-four".