99990200 has 48 divisors (see below), whose sum is σ = 242596080. Its totient is φ = 38255360.

The previous prime is 99990181. The next prime is 99990239. The reversal of 99990200 is 209999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6269 + ... + 15468.

It is an arithmetic number, because the mean of its divisors is an integer number (5054085).

Almost surely, 2^99990200 is an apocalyptic number.

It is an amenable number.

99990200 is an abundant number, since it is smaller than the sum of its proper divisors (142605880).

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

99990200 is a wasteful number, since it uses less digits than its factorization.

99990200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21776 (or 21767 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 99990200 is about 9999.5099879944. The cubic root of 99990200 is about 464.1437203424.

The spelling of 99990200 in words is "ninety-nine million, nine hundred ninety thousand, two hundred".