19999352 has 8 divisors (see below), whose sum is σ = 37498800. Its totient is φ = 9999672.

The previous prime is 19999339. The next prime is 19999373. The reversal of 19999352 is 25399991.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 19999297 and 19999306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249952 + ... + 1249967.

It is an arithmetic number, because the mean of its divisors is an integer number (4687350).

Almost surely, 2^19999352 is an apocalyptic number.

It is an amenable number.

19999352 is a deficient number, since it is larger than the sum of its proper divisors (17499448).

19999352 is a wasteful number, since it uses less digits than its factorization.

19999352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499925 (or 2499921 counting only the distinct ones).

The product of its digits is 196830, while the sum is 47.

The square root of 19999352 is about 4472.0635058103. The cubic root of 19999352 is about 271.4388300568.

The spelling of 19999352 in words is "nineteen million, nine hundred ninety-nine thousand, three hundred fifty-two".