9899409200 has 60 divisors (see below), whose sum is σ = 24426159840. Its totient is φ = 3852737280.

The previous prime is 9899409197. The next prime is 9899409209. The reversal of 9899409200 is 29049989.

9899409200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (9899409209) by changing a digit.

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, 319640 + ... + 349239.

It is an arithmetic number, because the mean of its divisors is an integer number (407102664).

Almost surely, 2^9899409200 is an apocalyptic number.

It is an amenable number.

9899409200 is an abundant number, since it is smaller than the sum of its proper divisors (14526750640).

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

9899409200 is a wasteful number, since it uses less digits than its factorization.

9899409200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668934 (or 668923 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9899409200 is about 99495.7747846611. The cubic root of 9899409200 is about 2147.1864549372.

The spelling of 9899409200 in words is "nine billion, eight hundred ninety-nine million, four hundred nine thousand, two hundred".