99874188 has 96 divisors (see below), whose sum is σ = 279121920. Its totient is φ = 30792960.

The previous prime is 99874169. The next prime is 99874189. The reversal of 99874188 is 88147899.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (99874189) 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 31 ways as a sum of consecutive naturals, for example, 76356 + ... + 77652.

It is an arithmetic number, because the mean of its divisors is an integer number (2907520).

Almost surely, 2^99874188 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 99874188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139560960).

99874188 is an abundant number, since it is smaller than the sum of its proper divisors (179247732).

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

99874188 is a wasteful number, since it uses less digits than its factorization.

99874188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1356 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 99874188 is about 9993.7074201720. The cubic root of 99874188 is about 463.9641458126.

The spelling of 99874188 in words is "ninety-nine million, eight hundred seventy-four thousand, one hundred eighty-eight".