9865746 has 64 divisors (see below), whose sum is σ = 25349760. Its totient is φ = 2810880.

The previous prime is 9865733. The next prime is 9865747. The reversal of 9865746 is 6475689.

It is not an unprimeable number, because it can be changed into a prime (9865747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9610 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (396090).

Almost surely, 2^9865746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9865746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12674880).

9865746 is an abundant number, since it is smaller than the sum of its proper divisors (15484014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9865746 is a wasteful number, since it uses less digits than its factorization.

9865746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1010 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 9865746 is about 3140.9785099551. The cubic root of 9865746 is about 214.4749836345.

The spelling of 9865746 in words is "nine million, eight hundred sixty-five thousand, seven hundred forty-six".