99506686 has 16 divisors (see below), whose sum is σ = 159782400. Its totient is φ = 46334808.

The previous prime is 99506681. The next prime is 99506689. The reversal of 99506686 is 68660599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99506681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19950 + ... + 24433.

It is an arithmetic number, because the mean of its divisors is an integer number (9986400).

Almost surely, 2^99506686 is an apocalyptic number.

99506686 is a deficient number, since it is larger than the sum of its proper divisors (60275714).

99506686 is a wasteful number, since it uses less digits than its factorization.

99506686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44463.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 99506686 is about 9975.3038048974. The cubic root of 99506686 is about 463.3943712467.

The spelling of 99506686 in words is "ninety-nine million, five hundred six thousand, six hundred eighty-six".