19708196 has 6 divisors (see below), whose sum is σ = 34489350. Its totient is φ = 9854096.

The previous prime is 19708189. The next prime is 19708259. The reversal of 19708196 is 69180791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 1132096 = 4310^2 + 1064^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2463521 + ... + 2463528.

It is an arithmetic number, because the mean of its divisors is an integer number (5748225).

Almost surely, 2^19708196 is an apocalyptic number.

It is an amenable number.

19708196 is a deficient number, since it is larger than the sum of its proper divisors (14781154).

19708196 is a wasteful number, since it uses less digits than its factorization.

19708196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927053 (or 4927051 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 19708196 is about 4439.3913997304. The cubic root of 19708196 is about 270.1151589236.

The spelling of 19708196 in words is "nineteen million, seven hundred eight thousand, one hundred ninety-six".