985570 has 16 divisors (see below), whose sum is σ = 1801728. Its totient is φ = 388080.

The previous prime is 985547. The next prime is 985571. The reversal of 985570 is 75589.

985570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (985571) 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, 66 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (112608).

2⁹⁸⁵⁵⁷⁰ is an apocalyptic number.

985570 is a deficient number, since it is larger than the sum of its proper divisors (816158).

985570 is a wasteful number, since it uses less digits than its factorization.

985570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 985570 is about 992.7587823837. The cubic root of 985570 is about 99.5166676622.

The spelling of 985570 in words is "nine hundred eighty-five thousand, five hundred seventy".