19938652 has 12 divisors (see below), whose sum is σ = 35334880. Its totient is φ = 9842976.

The previous prime is 19938647. The next prime is 19938661. The reversal of 19938652 is 25683991.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19938599 and 19938608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31233 + ... + 31864.

Almost surely, 2^19938652 is an apocalyptic number.

It is an amenable number.

19938652 is a deficient number, since it is larger than the sum of its proper divisors (15396228).

19938652 is a wasteful number, since it uses less digits than its factorization.

19938652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63180 (or 63178 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 19938652 is about 4465.2717722441. The cubic root of 19938652 is about 271.1639372461.

The spelling of 19938652 in words is "nineteen million, nine hundred thirty-eight thousand, six hundred fifty-two".