196889732 has 18 divisors (see below), whose sum is σ = 373101498. Its totient is φ = 90871872.

The previous prime is 196889713. The next prime is 196889783. The reversal of 196889732 is 237988691.

It can be written as a sum of positive squares in 3 ways, for example, as 217156 + 196672576 = 466^2 + 14024^2 .

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 5 ways as a sum of consecutive naturals, for example, 144953 + ... + 146304.

It is an arithmetic number, because the mean of its divisors is an integer number (20727861).

Almost surely, 2^196889732 is an apocalyptic number.

It is an amenable number.

196889732 is a deficient number, since it is larger than the sum of its proper divisors (176211766).

196889732 is a wasteful number, since it uses less digits than its factorization.

196889732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291287 (or 291272 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 196889732 is about 14031.7401629306. The cubic root of 196889732 is about 581.7562029238.

The spelling of 196889732 in words is "one hundred ninety-six million, eight hundred eighty-nine thousand, seven hundred thirty-two".