28000196 has 24 divisors (see below), whose sum is σ = 57933120. Its totient is φ = 11585952.

The previous prime is 28000187. The next prime is 28000237. The reversal of 28000196 is 69100082.

28000196 is a modest number, since divided by 196 gives 28 as remainder.

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, 16430 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (2413880).

Almost surely, 2^28000196 is an apocalyptic number.

It is an amenable number.

28000196 is an abundant number, since it is smaller than the sum of its proper divisors (29932924).

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

28000196 is a wasteful number, since it uses less digits than its factorization.

28000196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34523 (or 34521 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 28000196 is about 5291.5211423559. The cubic root of 28000196 is about 303.6596057233.

The spelling of 28000196 in words is "twenty-eight million, one hundred ninety-six", and thus it is an aban number.