19990482 has 8 divisors (see below), whose sum is σ = 39980976. Its totient is φ = 6663492.

The previous prime is 19990459. The next prime is 19990499. The reversal of 19990482 is 28409991.

It is a sphenic number, since it is the product of 3 distinct primes.

19990482 is an admirable number.

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, 1665868 + ... + 1665879.

It is an arithmetic number, because the mean of its divisors is an integer number (4997622).

Almost surely, 2^19990482 is an apocalyptic number.

19990482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19990482 is a wasteful number, since it uses less digits than its factorization.

19990482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331752.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 19990482 is about 4471.0716836123. The cubic root of 19990482 is about 271.3986951155.

The spelling of 19990482 in words is "nineteen million, nine hundred ninety thousand, four hundred eighty-two".