99506685 has 16 divisors (see below), whose sum is σ = 164701440. Its totient is φ = 51240000.

The previous prime is 99506681. The next prime is 99506689. The reversal of 99506685 is 58660599.

It is an interprime number because it is at equal distance from previous prime (99506681) and next prime (99506689).

It is not a de Polignac number, because 99506685 - 2² = 99506681 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 113941 + ... + 114810.

It is an arithmetic number, because the mean of its divisors is an integer number (10293840).

Almost surely, 2^99506685 is an apocalyptic number.

It is an amenable number.

99506685 is a deficient number, since it is larger than the sum of its proper divisors (65194755).

99506685 is a wasteful number, since it uses less digits than its factorization.

99506685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228788.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 99506685 is about 9975.3037547736. The cubic root of 99506685 is about 463.3943696944.

The spelling of 99506685 in words is "ninety-nine million, five hundred six thousand, six hundred eighty-five".