9899400 has 96 divisors (see below), whose sum is σ = 35087040. Its totient is φ = 2261760.

The previous prime is 9899377. The next prime is 9899429. The reversal of 9899400 is 49989.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3022 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (365490).

Almost surely, 2^9899400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9899400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17543520).

9899400 is an abundant number, since it is smaller than the sum of its proper divisors (25187640).

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

9899400 is a wasteful number, since it uses less digits than its factorization.

9899400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9899400 is about 3146.3311968068. The cubic root of 9899400 is about 214.7185789776.

The spelling of 9899400 in words is "nine million, eight hundred ninety-nine thousand, four hundred".