19936244 has 24 divisors (see below), whose sum is σ = 36896160. Its totient is φ = 9399456.

The previous prime is 19936211. The next prime is 19936247. The reversal of 19936244 is 44263991.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 19936198 and 19936207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19936247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20579 + ... + 21525.

It is an arithmetic number, because the mean of its divisors is an integer number (1537340).

Almost surely, 2^19936244 is an apocalyptic number.

It is an amenable number.

19936244 is a deficient number, since it is larger than the sum of its proper divisors (16959916).

19936244 is a wasteful number, since it uses less digits than its factorization.

With its successor (19936245) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1245).

19936244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 19936244 is about 4465.0021276591. The cubic root of 19936244 is about 271.1530206096.

The spelling of 19936244 in words is "nineteen million, nine hundred thirty-six thousand, two hundred forty-four".