985810 has 16 divisors (see below), whose sum is σ = 2028096. Its totient is φ = 337968.

The previous prime is 985807. The next prime is 985819. The reversal of 985810 is 18589.

985810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×985810² = 1943642712200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985819) 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, 6972 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (126756).

2⁹⁸⁵⁸¹⁰ is an apocalyptic number.

985810 is an abundant number, since it is smaller than the sum of its proper divisors (1042286).

It is a weird number, because it is abundant, but not a pseudoperfect number.

985810 is a wasteful number, since it uses less digits than its factorization.

985810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 985810 is about 992.8796503101. The cubic root of 985810 is about 99.5247449041.

The spelling of 985810 in words is "nine hundred eighty-five thousand, eight hundred ten".