199902884 has 12 divisors (see below), whose sum is σ = 351853404. Its totient is φ = 99373344.

The previous prime is 199902869. The next prime is 199902907. The reversal of 199902884 is 488209991.

It is a happy number.

199902884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 186049600 + 13853284 = 13640^2 + 3722^2 .

It is a super-2 number, since 2×199902884² = 79922326063034912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143747 + ... + 145130.

It is an arithmetic number, because the mean of its divisors is an integer number (29321117).

Almost surely, 2^199902884 is an apocalyptic number.

It is an amenable number.

199902884 is a deficient number, since it is larger than the sum of its proper divisors (151950520).

199902884 is a wasteful number, since it uses less digits than its factorization.

199902884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289054 (or 289052 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 199902884 is about 14138.7016377035. The cubic root of 199902884 is about 584.7088760151.

The spelling of 199902884 in words is "one hundred ninety-nine million, nine hundred two thousand, eight hundred eighty-four".