19988352 has 48 divisors (see below), whose sum is σ = 57521880. Its totient is φ = 6662400.

The previous prime is 19988347. The next prime is 19988359. The reversal of 19988352 is 25388991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 19988298 and 19988307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19988359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7524 + ... + 9827.

Almost surely, 2^19988352 is an apocalyptic number.

19988352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19988352 is an abundant number, since it is smaller than the sum of its proper divisors (37533528).

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

19988352 is a wasteful number, since it uses less digits than its factorization.

19988352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371 (or 17356 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 19988352 is about 4470.8334793414. The cubic root of 19988352 is about 271.3890555322.

The spelling of 19988352 in words is "nineteen million, nine hundred eighty-eight thousand, three hundred fifty-two".