99893982 has 16 divisors (see below), whose sum is σ = 210303360. Its totient is φ = 31545432.

The previous prime is 99893971. The next prime is 99893987. The reversal of 99893982 is 28939899.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99893987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438018 + ... + 438245.

It is an arithmetic number, because the mean of its divisors is an integer number (13143960).

Almost surely, 2^99893982 is an apocalyptic number.

99893982 is an abundant number, since it is smaller than the sum of its proper divisors (110409378).

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

99893982 is a wasteful number, since it uses less digits than its factorization.

99893982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876287.

The product of its digits is 2519424, while the sum is 57.

The square root of 99893982 is about 9994.6976942777. The cubic root of 99893982 is about 463.9947947048.

The spelling of 99893982 in words is "ninety-nine million, eight hundred ninety-three thousand, nine hundred eighty-two".