987085441 has 8 divisors (see below), whose sum is σ = 1023561000. Its totient is φ = 950772480.

The previous prime is 987085439. The next prime is 987085447. The reversal of 987085441 is 144580789.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 977500225 = 3096^2 + 31265^2 .

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 987085441 - 2¹ = 987085439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 987085391 and 987085400.

It is not an unprimeable number, because it can be changed into a prime (987085447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28216 + ... + 52633.

It is an arithmetic number, because the mean of its divisors is an integer number (127945125).

Almost surely, 2^987085441 is an apocalyptic number.

It is an amenable number.

987085441 is a deficient number, since it is larger than the sum of its proper divisors (36475559).

987085441 is a wasteful number, since it uses less digits than its factorization.

987085441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81299.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 987085441 is about 31417.9159238801. The cubic root of 987085441 is about 995.6764811241.

The spelling of 987085441 in words is "nine hundred eighty-seven million, eighty-five thousand, four hundred forty-one".