19984496 has 40 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 8481024.

The previous prime is 19984487. The next prime is 19984501. The reversal of 19984496 is 69448991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390 + ... + 13026.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^19984496 is an apocalyptic number.

19984496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19984496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22342320).

19984496 is an abundant number, since it is smaller than the sum of its proper divisors (24700144).

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

19984496 is a wasteful number, since it uses less digits than its factorization.

19984496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1755 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 19984496 is about 4470.4022190403. The cubic root of 19984496 is about 271.3716029761.

The spelling of 19984496 in words is "nineteen million, nine hundred eighty-four thousand, four hundred ninety-six".