8769280 has 144 divisors (see below), whose sum is σ = 24724224. Its totient is φ = 2949120.

The previous prime is 8769253. The next prime is 8769283. The reversal of 8769280 is 829678.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8769283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282865 + ... + 282895.

It is an arithmetic number, because the mean of its divisors is an integer number (171696).

Almost surely, 2^8769280 is an apocalyptic number.

8769280 is a gapful number since it is divisible by the number (80) 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 8769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12362112).

8769280 is an abundant number, since it is smaller than the sum of its proper divisors (15954944).

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

8769280 is a wasteful number, since it uses less digits than its factorization.

8769280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8769280 is about 2961.2970131346. The cubic root of 8769280 is about 206.2155032602.

The spelling of 8769280 in words is "eight million, seven hundred sixty-nine thousand, two hundred eighty".