199998102 has 16 divisors (see below), whose sum is σ = 400598640. Its totient is φ = 66565632.

The previous prime is 199998089. The next prime is 199998107. The reversal of 199998102 is 201899991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199998107) 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, 20727 + ... + 28802.

It is an arithmetic number, because the mean of its divisors is an integer number (25037415).

Almost surely, 2^199998102 is an apocalyptic number.

199998102 is an abundant number, since it is smaller than the sum of its proper divisors (200600538).

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

199998102 is a wasteful number, since it uses less digits than its factorization.

199998102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50207.

The product of its (nonzero) digits is 104976, while the sum is 48.

The square root of 199998102 is about 14142.0685191382. The cubic root of 199998102 is about 584.8016977082.

The spelling of 199998102 in words is "one hundred ninety-nine million, nine hundred ninety-eight thousand, one hundred two".