9915456 has 56 divisors (see below), whose sum is σ = 26867104. Its totient is φ = 3225600.

The previous prime is 9915427. The next prime is 9915457. The reversal of 9915456 is 6545199.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9915457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7656 + ... + 8856.

Almost surely, 2^9915456 is an apocalyptic number.

9915456 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9915456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13433552).

9915456 is an abundant number, since it is smaller than the sum of its proper divisors (16951648).

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

9915456 is a wasteful number, since it uses less digits than its factorization.

9915456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1249 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 9915456 is about 3148.8817062570. The cubic root of 9915456 is about 214.8346014745.

The spelling of 9915456 in words is "nine million, nine hundred fifteen thousand, four hundred fifty-six".