19493068 has 12 divisors (see below), whose sum is σ = 38986192. Its totient is φ = 8354160.

The previous prime is 19493063. The next prime is 19493077. The reversal of 19493068 is 86039491.

19493068 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19493068.

It is not an unprimeable number, because it can be changed into a prime (19493063) by changing a digit.

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, 348063 + ... + 348118.

Almost surely, 2^19493068 is an apocalyptic number.

It is an amenable number.

19493068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19493068 is a wasteful number, since it uses less digits than its factorization.

19493068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696192 (or 696190 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 19493068 is about 4415.0954689565. The cubic root of 19493068 is about 269.1287324398.

The spelling of 19493068 in words is "nineteen million, four hundred ninety-three thousand, sixty-eight".