9915152 has 40 divisors (see below), whose sum is σ = 21003864. Its totient is φ = 4506624.

The previous prime is 9915137. The next prime is 9915161. The reversal of 9915152 is 2515199.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 9834496 = 284^2 + 3136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14858 + ... + 15510.

Almost surely, 2^9915152 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 9915152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10501932).

9915152 is an abundant number, since it is smaller than the sum of its proper divisors (11088712).

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

9915152 is a wasteful number, since it uses less digits than its factorization.

9915152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its digits is 4050, while the sum is 32.

The square root of 9915152 is about 3148.8334347818. The cubic root of 9915152 is about 214.8324058993.

It can be divided in two parts, 99 and 15152, that added together give a palindrome (15251).

The spelling of 9915152 in words is "nine million, nine hundred fifteen thousand, one hundred fifty-two".