19795993 has 8 divisors (see below), whose sum is σ = 22651200. Its totient is φ = 16947600.

The previous prime is 19795987. The next prime is 19796017. The reversal of 19795993 is 39959791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19795993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19795993.

It is not an unprimeable number, because it can be changed into a prime (19795393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183 + ... + 11131.

It is an arithmetic number, because the mean of its divisors is an integer number (2831400).

Almost surely, 2^19795993 is an apocalyptic number.

It is an amenable number.

19795993 is a deficient number, since it is larger than the sum of its proper divisors (2855207).

19795993 is a wasteful number, since it uses less digits than its factorization.

19795993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its digits is 688905, while the sum is 52.

The square root of 19795993 is about 4449.2688163338. The cubic root of 19795993 is about 270.5156720146.

The spelling of 19795993 in words is "nineteen million, seven hundred ninety-five thousand, nine hundred ninety-three".