196988872 has 32 divisors (see below), whose sum is σ = 373491000. Its totient is φ = 97398784.

The previous prime is 196988807. The next prime is 196988873. The reversal of 196988872 is 278889691.

It can be written as a sum of positive squares in 4 ways, for example, as 171243396 + 25745476 = 13086^2 + 5074^2 .

It is not an unprimeable number, because it can be changed into a prime (196988873) 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, 438504 + ... + 438952.

Almost surely, 2^196988872 is an apocalyptic number.

It is an amenable number.

196988872 is a deficient number, since it is larger than the sum of its proper divisors (176502128).

196988872 is a wasteful number, since it uses less digits than its factorization.

196988872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 58.

The square root of 196988872 is about 14035.2724234338. The cubic root of 196988872 is about 581.8538305513.

The spelling of 196988872 in words is "one hundred ninety-six million, nine hundred eighty-eight thousand, eight hundred seventy-two".