196917828 has 24 divisors (see below), whose sum is σ = 474297600. Its totient is φ = 63521760.

The previous prime is 196917823. The next prime is 196917839. The reversal of 196917828 is 828719691.

It is not an unprimeable number, because it can be changed into a prime (196917823) 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, 264303 + ... + 265046.

It is an arithmetic number, because the mean of its divisors is an integer number (19762400).

Almost surely, 2^196917828 is an apocalyptic number.

It is an amenable number.

196917828 is an abundant number, since it is smaller than the sum of its proper divisors (277379772).

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

196917828 is a wasteful number, since it uses less digits than its factorization.

196917828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529387 (or 529385 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The square root of 196917828 is about 14032.7412860068. The cubic root of 196917828 is about 581.7838736487.

The spelling of 196917828 in words is "one hundred ninety-six million, nine hundred seventeen thousand, eight hundred twenty-eight".