99085 has 16 divisors (see below), whose sum is σ = 144000. Its totient is φ = 63936.

The previous prime is 99083. The next prime is 99089. The reversal of 99085 is 58099.

99085 = 95² + 96² + ... + 104².

It is a cyclic number.

It is not a de Polignac number, because 99085 - 2¹ = 99083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (9000).

2⁹⁹⁰⁸⁵ is an apocalyptic number.

99085 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99085 is a deficient number, since it is larger than the sum of its proper divisors (44915).

99085 is a wasteful number, since it uses less digits than its factorization.

99085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 99085 is about 314.7776993372. Note that the first 3 decimals coincide. The cubic root of 99085 is about 46.2738858845.

The spelling of 99085 in words is "ninety-nine thousand, eighty-five".