999848500 has 96 divisors (see below), whose sum is σ = 2505065472. Its totient is φ = 341510400.

The previous prime is 999848491. The next prime is 999848503. The reversal of 999848500 is 5848999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999848503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1620192 + ... + 1620808.

It is an arithmetic number, because the mean of its divisors is an integer number (26094432).

Almost surely, 2^999848500 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 999848500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252532736).

999848500 is an abundant number, since it is smaller than the sum of its proper divisors (1505216972).

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

999848500 is a wasteful number, since it uses less digits than its factorization.

999848500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 999848500 is about 31620.3810856226. The cubic root of 999848500 is about 999.9494974495.

The spelling of 999848500 in words is "nine hundred ninety-nine million, eight hundred forty-eight thousand, five hundred".