99982500 has 60 divisors (see below), whose sum is σ = 291544176. Its totient is φ = 26660000.

The previous prime is 99982499. The next prime is 99982507. The reversal of 99982500 is 528999.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (99982507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 835 + ... + 14165.

Almost surely, 2^99982500 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 99982500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145772088).

99982500 is an abundant number, since it is smaller than the sum of its proper divisors (191561676).

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

99982500 is a wasteful number, since it uses less digits than its factorization.

99982500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13358 (or 13341 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 99982500 is about 9999.1249617154. The cubic root of 99982500 is about 464.1318058468.

The spelling of 99982500 in words is "ninety-nine million, nine hundred eighty-two thousand, five hundred".