985001004 has 36 divisors (see below), whose sum is σ = 2681392896. Its totient is φ = 303077088.

The previous prime is 985000987. The next prime is 985001033. The reversal of 985001004 is 400100589.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051884 + ... + 1052819.

It is an arithmetic number, because the mean of its divisors is an integer number (74483136).

Almost surely, 2^985001004 is an apocalyptic number.

It is an amenable number.

985001004 is an abundant number, since it is smaller than the sum of its proper divisors (1696391892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

985001004 is a wasteful number, since it uses less digits than its factorization.

985001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104726 (or 2104721 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 985001004 is about 31384.7256479964. The cubic root of 985001004 is about 994.9751276158.

The spelling of 985001004 in words is "nine hundred eighty-five million, one thousand, four".