19684948 has 12 divisors (see below), whose sum is σ = 34783840. Its totient is φ = 9746712.

The previous prime is 19684933. The next prime is 19684949. The reversal of 19684948 is 84948691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19684949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23478 + ... + 24301.

Almost surely, 2^19684948 is an apocalyptic number.

It is an amenable number.

19684948 is a deficient number, since it is larger than the sum of its proper divisors (15098892).

19684948 is a wasteful number, since it uses less digits than its factorization.

19684948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47886 (or 47884 counting only the distinct ones).

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

The square root of 19684948 is about 4436.7722501837. The cubic root of 19684948 is about 270.0089068850.

The spelling of 19684948 in words is "nineteen million, six hundred eighty-four thousand, nine hundred forty-eight".