928280 has 32 divisors (see below), whose sum is σ = 2181600. Its totient is φ = 354816.

The previous prime is 928273. The next prime is 928289. The reversal of 928280 is 82829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928289) 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, 416 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (68175).

2⁹²⁸²⁸⁰ 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 928280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090800).

928280 is an abundant number, since it is smaller than the sum of its proper divisors (1253320).

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

928280 is a wasteful number, since it uses less digits than its factorization.

928280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 928280 is about 963.4728849324. The cubic root of 928280 is about 97.5497882904.

The spelling of 928280 in words is "nine hundred twenty-eight thousand, two hundred eighty".