19938252 has 18 divisors (see below), whose sum is σ = 46558708. Its totient is φ = 6640928.

The previous prime is 19938241. The next prime is 19938287. The reversal of 19938252 is 25283991.

It is a self number, because there is not a number n which added to its sum of digits gives 19938252.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14824 + ... + 16112.

Almost surely, 2^19938252 is an apocalyptic number.

19938252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19938252 is an abundant number, since it is smaller than the sum of its proper divisors (26620456).

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

19938252 is an equidigital number, since it uses as much as digits as its factorization.

19938252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 1294 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 19938252 is about 4465.2269819126. The cubic root of 19938252 is about 271.1621239122.

The spelling of 19938252 in words is "nineteen million, nine hundred thirty-eight thousand, two hundred fifty-two".