9964085 has 4 divisors (see below), whose sum is σ = 11956908. Its totient is φ = 7971264.

The previous prime is 9964049. The next prime is 9964099. The reversal of 9964085 is 5804699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 5202961 = 2182^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 9964085 - 2⁶ = 9964021 is a prime.

It is a Duffinian number.

It is a Curzon 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, 996404 + ... + 996413.

It is an arithmetic number, because the mean of its divisors is an integer number (2989227).

Almost surely, 2^9964085 is an apocalyptic number.

It is an amenable number.

9964085 is a deficient number, since it is larger than the sum of its proper divisors (1992823).

9964085 is a wasteful number, since it uses less digits than its factorization.

9964085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992822.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9964085 is about 3156.5938921565. The cubic root of 9964085 is about 215.1852378707.

The spelling of 9964085 in words is "nine million, nine hundred sixty-four thousand, eighty-five".