985326881 has 16 divisors (see below), whose sum is σ = 1270823040. Its totient is φ = 741310080.

The previous prime is 985326827. The next prime is 985326889. The reversal of 985326881 is 188623589.

It is a de Polignac number, because none of the positive numbers 2^k-985326881 is a prime.

It is a super-2 number, since 2×985326881² = 1941738124842376322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985326889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218396 + ... + 222861.

It is an arithmetic number, because the mean of its divisors is an integer number (79426440).

Almost surely, 2^985326881 is an apocalyptic number.

It is an amenable number.

985326881 is a deficient number, since it is larger than the sum of its proper divisors (285496159).

985326881 is a wasteful number, since it uses less digits than its factorization.

985326881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441304.

The product of its digits is 829440, while the sum is 50.

The square root of 985326881 is about 31389.9168683194. The cubic root of 985326881 is about 995.0848411280.

The spelling of 985326881 in words is "nine hundred eighty-five million, three hundred twenty-six thousand, eight hundred eighty-one".