9507985 has 4 divisors (see below), whose sum is σ = 11409588. Its totient is φ = 7606384.

The previous prime is 9507983. The next prime is 9507997. The reversal of 9507985 is 5897059.

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 5817744 + 3690241 = 2412^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 9507985 - 2¹ = 9507983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9507983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950794 + ... + 950803.

It is an arithmetic number, because the mean of its divisors is an integer number (2852397).

Almost surely, 2^9507985 is an apocalyptic number.

It is an amenable number.

9507985 is a deficient number, since it is larger than the sum of its proper divisors (1901603).

9507985 is a wasteful number, since it uses less digits than its factorization.

9507985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901602.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 9507985 is about 3083.5020674551. The cubic root of 9507985 is about 211.8505012818.

The spelling of 9507985 in words is "nine million, five hundred seven thousand, nine hundred eighty-five".