985671 has 6 divisors (see below), whose sum is σ = 1423760. Its totient is φ = 657108.

The previous prime is 985667. The next prime is 985679. The reversal of 985671 is 176589.

985671 is a `hidden beast` number, since 98 + 567 + 1 = 666.

985671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 985671 - 2² = 985667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985679) 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, 54751 + ... + 54768.

2⁹⁸⁵⁶⁷¹ is an apocalyptic number.

985671 is a deficient number, since it is larger than the sum of its proper divisors (438089).

985671 is a wasteful number, since it uses less digits than its factorization.

985671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109525 (or 109522 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 985671 is about 992.8096494293. The cubic root of 985671 is about 99.5200669946.

The spelling of 985671 in words is "nine hundred eighty-five thousand, six hundred seventy-one".