985169 has 6 divisors (see below), whose sum is σ = 1040130. Its totient is φ = 932976.

The previous prime is 985151. The next prime is 985177. The reversal of 985169 is 961589.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 9025 = 988^2 + 95^2 .

It is not a de Polignac number, because 985169 - 2⁸ = 984913 is a prime.

It is a super-2 number, since 2×985169² = 1941115917122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985109) 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, 1004 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (173355).

2⁹⁸⁵¹⁶⁹ is an apocalyptic number.

It is an amenable number.

985169 is a deficient number, since it is larger than the sum of its proper divisors (54961).

985169 is a wasteful number, since it uses less digits than its factorization.

985169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2748 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 985169 is about 992.5567993823. The cubic root of 985169 is about 99.5031690110.

The spelling of 985169 in words is "nine hundred eighty-five thousand, one hundred sixty-nine".