9975800 has 48 divisors (see below), whose sum is σ = 23956800. Its totient is φ = 3859200.

The previous prime is 9975773. The next prime is 9975803. The reversal of 9975800 is 85799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5396 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (499100).

Almost surely, 2^9975800 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 9975800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11978400).

9975800 is an abundant number, since it is smaller than the sum of its proper divisors (13981000).

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

9975800 is a wasteful number, since it uses less digits than its factorization.

9975800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 9975800 is about 3158.4489864489. The cubic root of 9975800 is about 215.2695375579.

The spelling of 9975800 in words is "nine million, nine hundred seventy-five thousand, eight hundred".