196989952 has 22 divisors (see below), whose sum is σ = 393789578. Its totient is φ = 98494464.

The previous prime is 196989943. The next prime is 196989977. The reversal of 196989952 is 259989691.

It can be written as a sum of positive squares in only one way, i.e., 196448256 + 541696 = 14016^2 + 736^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 95163 + ... + 97210.

Almost surely, 2^196989952 is an apocalyptic number.

It is an amenable number.

196989952 is a deficient number, since it is larger than the sum of its proper divisors (196799626).

196989952 is an equidigital number, since it uses as much as digits as its factorization.

196989952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192393 (or 192375 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 58.

The square root of 196989952 is about 14035.3108978747. The cubic root of 196989952 is about 581.8548938956.

The spelling of 196989952 in words is "one hundred ninety-six million, nine hundred eighty-nine thousand, nine hundred fifty-two".