985713280 has 32 divisors (see below), whose sum is σ = 2356472340. Its totient is φ = 394285056.

The previous prime is 985713271. The next prime is 985713283. The reversal of 985713280 is 82317589.

It can be written as a sum of positive squares in 2 ways, for example, as 925619776 + 60093504 = 30424^2 + 7752^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (985713283) 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 3 ways as a sum of consecutive naturals, for example, 769449 + ... + 770728.

Almost surely, 2^985713280 is an apocalyptic number.

It is an amenable number.

985713280 is an abundant number, since it is smaller than the sum of its proper divisors (1370759060).

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

985713280 is a wasteful number, since it uses less digits than its factorization.

985713280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540196 (or 1540184 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 985713280 is about 31396.0710917783. The cubic root of 985713280 is about 995.2148993334.

The spelling of 985713280 in words is "nine hundred eighty-five million, seven hundred thirteen thousand, two hundred eighty".