9915085 has 8 divisors (see below), whose sum is σ = 11942136. Its totient is φ = 7902720.

The previous prime is 9915083. The next prime is 9915107. The reversal of 9915085 is 5805199.

It can be written as a sum of positive squares in 4 ways, for example, as 5026564 + 4888521 = 2242^2 + 2211^2 .

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

It is not a de Polignac number, because 9915085 - 2¹ = 9915083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9915083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (1492767).

Almost surely, 2^9915085 is an apocalyptic number.

It is an amenable number.

9915085 is a deficient number, since it is larger than the sum of its proper divisors (2027051).

9915085 is a wasteful number, since it uses less digits than its factorization.

9915085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 9915085 is about 3148.8227959033. The cubic root of 9915085 is about 214.8319220001.

It can be divided in two parts, 99150 and 85, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 9915085 in words is "nine million, nine hundred fifteen thousand, eighty-five".