19795986 has 48 divisors (see below), whose sum is σ = 51604800. Its totient is φ = 5357664.

The previous prime is 19795969. The next prime is 19795987. The reversal of 19795986 is 68959791.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19795987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1741 + ... + 6528.

It is an arithmetic number, because the mean of its divisors is an integer number (1075100).

Almost surely, 2^19795986 is an apocalyptic number.

19795986 is an abundant number, since it is smaller than the sum of its proper divisors (31808814).

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

19795986 is a wasteful number, since it uses less digits than its factorization.

19795986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303 (or 8300 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 19795986 is about 4449.2680296876. The cubic root of 19795986 is about 270.5156401292.

The spelling of 19795986 in words is "nineteen million, seven hundred ninety-five thousand, nine hundred eighty-six".