985269321 has 9 divisors (see below), whose sum is σ = 1423302829. Its totient is φ = 656783436.

The previous prime is 985269283. The next prime is 985269347. The reversal of 985269321 is 123962589.

The square root of 985269321 is 31389.

It is a perfect power (a square), and thus also a powerful number.

985269321 is a `hidden beast` number, since 98 + 526 + 9 + 32 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 985269321 - 2²⁵ = 951714889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985269361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88936 + ... + 99398.

Almost surely, 2^985269321 is an apocalyptic number.

985269321 is the 31389-th square number.

985269321 is the 15695-th centered octagonal number.

It is an amenable number.

985269321 is a deficient number, since it is larger than the sum of its proper divisors (438033508).

985269321 is an frugal number, since it uses more digits than its factorization.

985269321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20932 (or 10466 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The cubic root of 985269321 is about 995.0654640733.

The spelling of 985269321 in words is "nine hundred eighty-five million, two hundred sixty-nine thousand, three hundred twenty-one".