985537 has 6 divisors (see below), whose sum is σ = 1146498. Its totient is φ = 844704.

The previous prime is 985531. The next prime is 985547. The reversal of 985537 is 735589.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 370881 = 784^2 + 609^2 .

It is not a de Polignac number, because 985537 - 2³ = 985529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985496 and 985505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10008 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (191083).

2⁹⁸⁵⁵³⁷ is an apocalyptic number.

It is an amenable number.

985537 is a deficient number, since it is larger than the sum of its proper divisors (160961).

985537 is a wasteful number, since it uses less digits than its factorization.

985537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127 (or 20120 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 985537 is about 992.7421618930. The cubic root of 985537 is about 99.5155569389.

The spelling of 985537 in words is "nine hundred eighty-five thousand, five hundred thirty-seven".