19908952 has 16 divisors (see below), whose sum is σ = 42662160. Its totient is φ = 8532384.

The previous prime is 19908947. The next prime is 19908953. The reversal of 19908952 is 25980991.

It is a junction number, because it is equal to n+sod(n) for n = 19908899 and 19908908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19908953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177703 + ... + 177814.

It is an arithmetic number, because the mean of its divisors is an integer number (2666385).

Almost surely, 2^19908952 is an apocalyptic number.

It is an amenable number.

19908952 is an abundant number, since it is smaller than the sum of its proper divisors (22753208).

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

19908952 is a wasteful number, since it uses less digits than its factorization.

19908952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355530 (or 355526 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 19908952 is about 4461.9448674317. The cubic root of 19908952 is about 271.0292311983.

The spelling of 19908952 in words is "nineteen million, nine hundred eight thousand, nine hundred fifty-two".