999982500 has 480 divisors, whose sum is σ = 3627638784. Its totient is φ = 211200000.

The previous prime is 999982499. The next prime is 999982513. The reversal of 999982500 is 5289999.

999982500 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 (51).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 32257485 + ... + 32257515.

Almost surely, 2^999982500 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 999982500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813819392).

999982500 is an abundant number, since it is smaller than the sum of its proper divisors (2627656284).

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

999982500 is a wasteful number, since it uses less digits than its factorization.

999982500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 999982500 is about 31622.4999011780. The cubic root of 999982500 is about 999.9941666326.

The spelling of 999982500 in words is "nine hundred ninety-nine million, nine hundred eighty-two thousand, five hundred".