985290539 has 8 divisors (see below), whose sum is σ = 1045580400. Its totient is φ = 925259776.

The previous prime is 985290521. The next prime is 985290547. The reversal of 985290539 is 935092589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985290539 - 2²⁰ = 984241963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985290569) 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, 56909 + ... + 72174.

It is an arithmetic number, because the mean of its divisors is an integer number (130697550).

Almost surely, 2^985290539 is an apocalyptic number.

985290539 is a deficient number, since it is larger than the sum of its proper divisors (60289861).

985290539 is a wasteful number, since it uses less digits than its factorization.

985290539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129549.

The product of its (nonzero) digits is 874800, while the sum is 50.

The square root of 985290539 is about 31389.3379828247. The cubic root of 985290539 is about 995.0726070094.

The spelling of 985290539 in words is "nine hundred eighty-five million, two hundred ninety thousand, five hundred thirty-nine".