985850 has 12 divisors (see below), whose sum is σ = 1833774. Its totient is φ = 394320.

The previous prime is 985819. The next prime is 985867. The reversal of 985850 is 58589.

It can be written as a sum of positive squares in 3 ways, for example, as 477481 + 508369 = 691^2 + 713^2 .

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 985850.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985850.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9809 + ... + 9908.

2⁹⁸⁵⁸⁵⁰ is an apocalyptic number.

985850 is a deficient number, since it is larger than the sum of its proper divisors (847924).

985850 is a wasteful number, since it uses less digits than its factorization.

985850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729 (or 19724 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 985850 is about 992.8997935341. The cubic root of 985850 is about 99.5260909836.

The spelling of 985850 in words is "nine hundred eighty-five thousand, eight hundred fifty".