9992500 has 60 divisors (see below), whose sum is σ = 25016992. Its totient is φ = 3420000.

The previous prime is 9992497. The next prime is 9992531. The reversal of 9992500 is 52999.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17215 + ... + 17785.

Almost surely, 2^9992500 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 9992500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12508496).

9992500 is an abundant number, since it is smaller than the sum of its proper divisors (15024492).

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

9992500 is a wasteful number, since it uses less digits than its factorization.

9992500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 9992500 is about 3161.0915836147. The cubic root of 9992500 is about 215.3895946651.

The spelling of 9992500 in words is "nine million, nine hundred ninety-two thousand, five hundred".