986489121 has 8 divisors (see below), whose sum is σ = 1316338144. Its totient is φ = 657149760.

The previous prime is 986489117. The next prime is 986489167. The reversal of 986489121 is 121984689.

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

It is not a de Polignac number, because 986489121 - 2² = 986489117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986489171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122875 + ... + 130656.

It is an arithmetic number, because the mean of its divisors is an integer number (164542268).

Almost surely, 2^986489121 is an apocalyptic number.

It is an amenable number.

986489121 is a deficient number, since it is larger than the sum of its proper divisors (329849023).

986489121 is a wasteful number, since it uses less digits than its factorization.

986489121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254831.

The product of its digits is 248832, while the sum is 48.

The square root of 986489121 is about 31408.4243635366. The cubic root of 986489121 is about 995.4759373890.

The spelling of 986489121 in words is "nine hundred eighty-six million, four hundred eighty-nine thousand, one hundred twenty-one".