987318441 has 6 divisors (see below), whose sum is σ = 1426126650. Its totient is φ = 658212288.

The previous prime is 987318433. The next prime is 987318457. The reversal of 987318441 is 144813789.

It is a happy number.

987318441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 771228441 + 216090000 = 27771^2 + 14700^2 .

It is not a de Polignac number, because 987318441 - 2³ = 987318433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (987318421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54851016 + ... + 54851033.

It is an arithmetic number, because the mean of its divisors is an integer number (237687775).

Almost surely, 2^987318441 is an apocalyptic number.

It is an amenable number.

987318441 is a deficient number, since it is larger than the sum of its proper divisors (438808209).

987318441 is a wasteful number, since it uses less digits than its factorization.

987318441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109702055 (or 109702052 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 987318441 is about 31421.6237804478. The cubic root of 987318441 is about 995.7548175946.

The spelling of 987318441 in words is "nine hundred eighty-seven million, three hundred eighteen thousand, four hundred forty-one".