985864444 has 6 divisors (see below), whose sum is σ = 1725262784. Its totient is φ = 492932220.

The previous prime is 985864441. The next prime is 985864469. The reversal of 985864444 is 444468589.

It is a junction number, because it is equal to n+sod(n) for n = 985864391 and 985864400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985864441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123233052 + ... + 123233059.

Almost surely, 2^985864444 is an apocalyptic number.

It is an amenable number.

985864444 is a deficient number, since it is larger than the sum of its proper divisors (739398340).

985864444 is a wasteful number, since it uses less digits than its factorization.

985864444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246466115 (or 246466113 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The square root of 985864444 is about 31398.4783707746. The cubic root of 985864444 is about 995.2657704398.

The spelling of 985864444 in words is "nine hundred eighty-five million, eight hundred sixty-four thousand, four hundred forty-four".