19948116 has 48 divisors (see below), whose sum is σ = 48109824. Its totient is φ = 6429696.

The previous prime is 19948091. The next prime is 19948121. The reversal of 19948116 is 61184991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63576 + ... + 63888.

It is an arithmetic number, because the mean of its divisors is an integer number (1002288).

Almost surely, 2^19948116 is an apocalyptic number.

It is an amenable number.

19948116 is an abundant number, since it is smaller than the sum of its proper divisors (28161708).

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

19948116 is a wasteful number, since it uses less digits than its factorization.

19948116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its digits is 15552, while the sum is 39.

The square root of 19948116 is about 4466.3313804509. The cubic root of 19948116 is about 271.2068336528.

The spelling of 19948116 in words is "nineteen million, nine hundred forty-eight thousand, one hundred sixteen".