9865152 has 140 divisors (see below), whose sum is σ = 32086296. Its totient is φ = 2972160.

The previous prime is 9865139. The next prime is 9865153. The reversal of 9865152 is 2515689.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9865153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56938 + ... + 57110.

Almost surely, 2^9865152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9865152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16043148).

9865152 is an abundant number, since it is smaller than the sum of its proper divisors (22221144).

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

9865152 is a wasteful number, since it uses less digits than its factorization.

9865152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 189 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 9865152 is about 3140.8839520110. The cubic root of 9865152 is about 214.4706791552.

The spelling of 9865152 in words is "nine million, eight hundred sixty-five thousand, one hundred fifty-two".