985837 has 4 divisors (see below), whose sum is σ = 988416. Its totient is φ = 983260.

The previous prime is 985819. The next prime is 985867. The reversal of 985837 is 738589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 985837 - 2⁷ = 985709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 985837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (247104).

2⁹⁸⁵⁸³⁷ is an apocalyptic number.

It is an amenable number.

985837 is a deficient number, since it is larger than the sum of its proper divisors (2579).

985837 is a wasteful number, since it uses less digits than its factorization.

985837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578.

The product of its digits is 60480, while the sum is 40.

The square root of 985837 is about 992.8932470311. The cubic root of 985837 is about 99.5256535118.

The spelling of 985837 in words is "nine hundred eighty-five thousand, eight hundred thirty-seven".