19848065 has 8 divisors (see below), whose sum is σ = 25071360. Its totient is φ = 15042672.

The previous prime is 19848047. The next prime is 19848079. The reversal of 19848065 is 56084891.

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

It is a cyclic number.

It is not a de Polignac number, because 19848065 - 2⁶ = 19848001 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104369 + ... + 104558.

It is an arithmetic number, because the mean of its divisors is an integer number (3133920).

Almost surely, 2^19848065 is an apocalyptic number.

It is an amenable number.

19848065 is a deficient number, since it is larger than the sum of its proper divisors (5223295).

19848065 is a wasteful number, since it uses less digits than its factorization.

19848065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208951.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 19848065 is about 4455.1167212543. The cubic root of 19848065 is about 270.7526553119.

The spelling of 19848065 in words is "nineteen million, eight hundred forty-eight thousand, sixty-five".