99866382 has 96 divisors (see below), whose sum is σ = 257300736. Its totient is φ = 25280640.

The previous prime is 99866369. The next prime is 99866383. The reversal of 99866382 is 28366899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99866383) 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, 218298 + ... + 218754.

It is an arithmetic number, because the mean of its divisors is an integer number (2680216).

Almost surely, 2^99866382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99866382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128650368).

99866382 is an abundant number, since it is smaller than the sum of its proper divisors (157434354).

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

99866382 is a wasteful number, since it uses less digits than its factorization.

99866382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 523 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 99866382 is about 9993.3168667865. The cubic root of 99866382 is about 463.9520579430.

The spelling of 99866382 in words is "ninety-nine million, eight hundred sixty-six thousand, three hundred eighty-two".