985280 has 28 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 393984.

The previous prime is 985279. The next prime is 985291. The reversal of 985280 is 82589.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (83820).

2⁹⁸⁵²⁸⁰ is an apocalyptic number.

It is an amenable number.

985280 is an abundant number, since it is smaller than the sum of its proper divisors (1361680).

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

985280 is a wasteful number, since it uses less digits than its factorization.

985280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 985280 is about 992.6127140028. The cubic root of 985280 is about 99.5069059119.

The spelling of 985280 in words is "nine hundred eighty-five thousand, two hundred eighty".