99850140 has 144 divisors (see below), whose sum is σ = 331321536. Its totient is φ = 24192000.

The previous prime is 99850139. The next prime is 99850141. The reversal of 99850140 is 4105899.

It is an interprime number because it is at equal distance from previous prime (99850139) and next prime (99850141).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 99850095 and 99850104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99850141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165840 + ... + 166440.

It is an arithmetic number, because the mean of its divisors is an integer number (2300844).

Almost surely, 2^99850140 is an apocalyptic number.

99850140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99850140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165660768).

99850140 is an abundant number, since it is smaller than the sum of its proper divisors (231471396).

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

99850140 is a wasteful number, since it uses less digits than its factorization.

99850140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 99850140 is about 9992.5041906421. The cubic root of 99850140 is about 463.9269046073.

The spelling of 99850140 in words is "ninety-nine million, eight hundred fifty thousand, one hundred forty".