199928102 has 8 divisors (see below), whose sum is σ = 327155112. Its totient is φ = 90876400.

The previous prime is 199928101. The next prime is 199928123. The reversal of 199928102 is 201829991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199928102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199928101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543799 + ... + 4543842.

It is an arithmetic number, because the mean of its divisors is an integer number (40894389).

Almost surely, 2^199928102 is an apocalyptic number.

199928102 is a deficient number, since it is larger than the sum of its proper divisors (127227010).

199928102 is a wasteful number, since it uses less digits than its factorization.

199928102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087654.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 199928102 is about 14139.5934170683. The cubic root of 199928102 is about 584.7334622345.

The spelling of 199928102 in words is "one hundred ninety-nine million, nine hundred twenty-eight thousand, one hundred two".