99988386 has 8 divisors (see below), whose sum is σ = 199976784. Its totient is φ = 33329460.

The previous prime is 99988367. The next prime is 99988403. The reversal of 99988386 is 68388999.

It is a sphenic number, since it is the product of 3 distinct primes.

99988386 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332360 + ... + 8332371.

It is an arithmetic number, because the mean of its divisors is an integer number (24997098).

Almost surely, 2^99988386 is an apocalyptic number.

99988386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99988386 is a wasteful number, since it uses less digits than its factorization.

99988386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664736.

The product of its digits is 6718464, while the sum is 60.

The square root of 99988386 is about 9999.4192831384. The cubic root of 99988386 is about 464.1409135280.

The spelling of 99988386 in words is "ninety-nine million, nine hundred eighty-eight thousand, three hundred eighty-six".