99986684 has 12 divisors (see below), whose sum is σ = 199973424. Its totient is φ = 42851424.

The previous prime is 99986669. The next prime is 99986699. The reversal of 99986684 is 48668999.

It is an interprime number because it is at equal distance from previous prime (99986669) and next prime (99986699).

99986684 is an admirable number.

It is a congruent 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, 1785449 + ... + 1785504.

It is an arithmetic number, because the mean of its divisors is an integer number (16664452).

Almost surely, 2^99986684 is an apocalyptic number.

It is an amenable number.

99986684 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.

99986684 is a wasteful number, since it uses less digits than its factorization.

99986684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570964 (or 3570962 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The square root of 99986684 is about 9999.3341778340. The cubic root of 99986684 is about 464.1382799811.

The spelling of 99986684 in words is "ninety-nine million, nine hundred eighty-six thousand, six hundred eighty-four".