199099902 has 32 divisors (see below), whose sum is σ = 404288640. Its totient is φ = 65357280.

The previous prime is 199099871. The next prime is 199099919. The reversal of 199099902 is 209990991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269049 + ... + 269787.

It is an arithmetic number, because the mean of its divisors is an integer number (12634020).

Almost surely, 2^199099902 is an apocalyptic number.

199099902 is an abundant number, since it is smaller than the sum of its proper divisors (205188738).

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

199099902 is a wasteful number, since it uses less digits than its factorization.

199099902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 118098, while the sum is 48.

The square root of 199099902 is about 14110.2764678797. The cubic root of 199099902 is about 583.9249274081.

The spelling of 199099902 in words is "one hundred ninety-nine million, ninety-nine thousand, nine hundred two".