196748728 has 32 divisors (see below), whose sum is σ = 403004160. Its totient is φ = 89306080.

The previous prime is 196748687. The next prime is 196748749. The reversal of 196748728 is 827847691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96051 + ... + 98077.

It is an arithmetic number, because the mean of its divisors is an integer number (12593880).

Almost surely, 2^196748728 is an apocalyptic number.

It is an amenable number.

196748728 is an abundant number, since it is smaller than the sum of its proper divisors (206255432).

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

196748728 is a wasteful number, since it uses less digits than its factorization.

196748728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3143 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 196748728 is about 14026.7147971291. The cubic root of 196748728 is about 581.6172934596.

The spelling of 196748728 in words is "one hundred ninety-six million, seven hundred forty-eight thousand, seven hundred twenty-eight".