196728980 has 24 divisors (see below), whose sum is σ = 472149888. Its totient is φ = 67449888.

The previous prime is 196728979. The next prime is 196728989. The reversal of 196728980 is 89827691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196728989) 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, 702464 + ... + 702743.

It is an arithmetic number, because the mean of its divisors is an integer number (19672912).

Almost surely, 2^196728980 is an apocalyptic number.

196728980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196728980 is an abundant number, since it is smaller than the sum of its proper divisors (275420908).

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

196728980 is a wasteful number, since it uses less digits than its factorization.

196728980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405223 (or 1405221 counting only the distinct ones).

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

The square root of 196728980 is about 14026.0108370128. The cubic root of 196728980 is about 581.5978335072.

The spelling of 196728980 in words is "one hundred ninety-six million, seven hundred twenty-eight thousand, nine hundred eighty".