196780928 has 32 divisors (see below), whose sum is σ = 393491520. Its totient is φ = 98022400.

The previous prime is 196780919. The next prime is 196780949. The reversal of 196780928 is 829087691.

It is a tau number, because it is divible by the number of its divisors (32).

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 in 3 ways as a sum of consecutive naturals, for example, 33233 + ... + 38703.

It is an arithmetic number, because the mean of its divisors is an integer number (12296610).

Almost surely, 2^196780928 is an apocalyptic number.

It is an amenable number.

196780928 is a deficient number, since it is larger than the sum of its proper divisors (196710592).

196780928 is an equidigital number, since it uses as much as digits as its factorization.

196780928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766 (or 5754 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 196780928 is about 14027.8625599198. The cubic root of 196780928 is about 581.6490209925.

The spelling of 196780928 in words is "one hundred ninety-six million, seven hundred eighty thousand, nine hundred twenty-eight".