9155280 has 80 divisors (see below), whose sum is σ = 29176704. Its totient is φ = 2373120.

The previous prime is 9155257. The next prime is 9155287. The reversal of 9155280 is 825519.

9155280 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9155287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8365 + ... + 9395.

Almost surely, 2^9155280 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 9155280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14588352).

9155280 is an abundant number, since it is smaller than the sum of its proper divisors (20021424).

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

9155280 is a wasteful number, since it uses less digits than its factorization.

9155280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 9155280 is about 3025.7693236597. The cubic root of 9155280 is about 209.1978468850.

The spelling of 9155280 in words is "nine million, one hundred fifty-five thousand, two hundred eighty".