19995328 has 14 divisors (see below), whose sum is σ = 39678356. Its totient is φ = 9997632.

The previous prime is 19995323. The next prime is 19995329. The reversal of 19995328 is 82359991.

It is not an unprimeable number, because it can be changed into a prime (19995323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156150 + ... + 156277.

Almost surely, 2^19995328 is an apocalyptic number.

It is an amenable number.

19995328 is a deficient number, since it is larger than the sum of its proper divisors (19683028).

19995328 is an equidigital number, since it uses as much as digits as its factorization.

19995328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312439 (or 312429 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The square root of 19995328 is about 4471.6135790115. The cubic root of 19995328 is about 271.4206237483.

The spelling of 19995328 in words is "nineteen million, nine hundred ninety-five thousand, three hundred twenty-eight".