985603481 has 8 divisors (see below), whose sum is σ = 993606504. Its totient is φ = 977633280.

The previous prime is 985603477. The next prime is 985603499. The reversal of 985603481 is 184306589.

It can be written as a sum of positive squares in 4 ways, for example, as 719097856 + 266505625 = 26816^2 + 16325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985603481 - 2² = 985603477 is a prime.

It is a super-2 number, since 2×985603481² = 1942828443518634722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985603471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53981 + ... + 69893.

It is an arithmetic number, because the mean of its divisors is an integer number (124200813).

Almost surely, 2^985603481 is an apocalyptic number.

It is an amenable number.

985603481 is a deficient number, since it is larger than the sum of its proper divisors (8003023).

985603481 is a wasteful number, since it uses less digits than its factorization.

985603481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 985603481 is about 31394.3224325673. The cubic root of 985603481 is about 995.1779454982.

The spelling of 985603481 in words is "nine hundred eighty-five million, six hundred three thousand, four hundred eighty-one".