985006641 has 16 divisors (see below), whose sum is σ = 1328627520. Its totient is φ = 649051200.

The previous prime is 985006621. The next prime is 985006651. The reversal of 985006641 is 146600589.

It is not a de Polignac number, because 985006641 - 2¹⁰ = 985005617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985006641.

It is not an unprimeable number, because it can be changed into a prime (985006601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197211 + ... + 202143.

It is an arithmetic number, because the mean of its divisors is an integer number (83039220).

Almost surely, 2^985006641 is an apocalyptic number.

It is an amenable number.

985006641 is a deficient number, since it is larger than the sum of its proper divisors (343620879).

985006641 is a wasteful number, since it uses less digits than its factorization.

985006641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 985006641 is about 31384.8154526994. The cubic root of 985006641 is about 994.9770256389.

The spelling of 985006641 in words is "nine hundred eighty-five million, six thousand, six hundred forty-one".