99886018 has 16 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 49213120.

The previous prime is 99886009. The next prime is 99886019. The reversal of 99886018 is 81068899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99886019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112938 + ... + 113818.

It is an arithmetic number, because the mean of its divisors is an integer number (9501786).

Almost surely, 2^99886018 is an apocalyptic number.

99886018 is a deficient number, since it is larger than the sum of its proper divisors (52142558).

99886018 is a wasteful number, since it uses less digits than its factorization.

99886018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 99886018 is about 9994.2992750868. The cubic root of 99886018 is about 463.9824637893.

The spelling of 99886018 in words is "ninety-nine million, eight hundred eighty-six thousand, eighteen".