19281068 has 12 divisors (see below), whose sum is σ = 33919872. Its totient is φ = 9589680.

The previous prime is 19281037. The next prime is 19281083. The reversal of 19281068 is 86018291.

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 in 3 ways as a sum of consecutive naturals, for example, 11855 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (2826656).

Almost surely, 2^19281068 is an apocalyptic number.

It is an amenable number.

19281068 is a deficient number, since it is larger than the sum of its proper divisors (14638804).

19281068 is a wasteful number, since it uses less digits than its factorization.

19281068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432 (or 25430 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 19281068 is about 4391.0212935034. The cubic root of 19281068 is about 268.1495230077.

The spelling of 19281068 in words is "nineteen million, two hundred eighty-one thousand, sixty-eight".