19795216 has 40 divisors (see below), whose sum is σ = 44739200. Its totient is φ = 8481312.

The previous prime is 19795199. The next prime is 19795219. The reversal of 19795216 is 61259791.

It is not an unprimeable number, because it can be changed into a prime (19795219) 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, 3685 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (1118480).

Almost surely, 2^19795216 is an apocalyptic number.

19795216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19795216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22369600).

19795216 is an abundant number, since it is smaller than the sum of its proper divisors (24943984).

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

19795216 is an equidigital number, since it uses as much as digits as its factorization.

19795216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3616 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 19795216 is about 4449.1814977589. The cubic root of 19795216 is about 270.5121326885.

The spelling of 19795216 in words is "nineteen million, seven hundred ninety-five thousand, two hundred sixteen".