9280656 has 240 divisors, whose sum is σ = 34664448. Its totient is φ = 2332800.

The previous prime is 9280651. The next prime is 9280679. The reversal of 9280656 is 6560829.

It is a super-2 number, since 2×9280656² = 172261151580672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9280656.

It is not an unprimeable number, because it can be changed into a prime (9280651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299361 + ... + 299391.

Almost surely, 2^9280656 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 9280656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17332224).

9280656 is an abundant number, since it is smaller than the sum of its proper divisors (25383792).

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

9280656 is a wasteful number, since it uses less digits than its factorization.

9280656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 9280656 is about 3046.4169117178. The cubic root of 9280656 is about 210.1484664406.

The spelling of 9280656 in words is "nine million, two hundred eighty thousand, six hundred fifty-six".