985318169 has 8 divisors (see below), whose sum is σ = 1131466080. Its totient is φ = 848599200.

The previous prime is 985318153. The next prime is 985318193. The reversal of 985318169 is 961813589.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985318169 - 2⁴ = 985318153 is a prime.

It is a super-2 number, since 2×985318169² = 1941703788323025122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985318129) 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, 2357012 + ... + 2357429.

It is an arithmetic number, because the mean of its divisors is an integer number (141433260).

Almost surely, 2^985318169 is an apocalyptic number.

It is an amenable number.

985318169 is a deficient number, since it is larger than the sum of its proper divisors (146147911).

985318169 is a wasteful number, since it uses less digits than its factorization.

985318169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714471.

The product of its digits is 466560, while the sum is 50.

The square root of 985318169 is about 31389.7780973361. The cubic root of 985318169 is about 995.0819083603.

The spelling of 985318169 in words is "nine hundred eighty-five million, three hundred eighteen thousand, one hundred sixty-nine".