985504356 has 18 divisors (see below), whose sum is σ = 2491136102. Its totient is φ = 328501440.

The previous prime is 985504339. The next prime is 985504393. The reversal of 985504356 is 653405589.

985504356 is a `hidden beast` number, since 9 + 8 + 550 + 43 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 502208100 + 483296256 = 22410^2 + 21984^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 13687525 + ... + 13687596.

Almost surely, 2^985504356 is an apocalyptic number.

It is an amenable number.

985504356 is an abundant number, since it is smaller than the sum of its proper divisors (1505631746).

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

985504356 is a wasteful number, since it uses less digits than its factorization.

985504356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27375131 (or 27375126 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 985504356 is about 31392.7436838515. The cubic root of 985504356 is about 995.1445817358.

The spelling of 985504356 in words is "nine hundred eighty-five million, five hundred four thousand, three hundred fifty-six".