9872685 has 40 divisors (see below), whose sum is σ = 18643680. Its totient is φ = 4984416.

The previous prime is 9872683. The next prime is 9872693. The reversal of 9872685 is 5862789.

9872685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9872685 - 2¹ = 9872683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9872685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872683) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7054 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (466092).

Almost surely, 2^9872685 is an apocalyptic number.

9872685 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9872685 is a deficient number, since it is larger than the sum of its proper divisors (8770995).

9872685 is a wasteful number, since it uses less digits than its factorization.

9872685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1310 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 9872685 is about 3142.0829078813. The cubic root of 9872685 is about 214.5252549852.

The spelling of 9872685 in words is "nine million, eight hundred seventy-two thousand, six hundred eighty-five".