989516045 has 24 divisors (see below), whose sum is σ = 1386872928. Its totient is φ = 675780000.

The previous prime is 989516041. The next prime is 989516071. The reversal of 989516045 is 540615989.

It is a happy number.

It is not a de Polignac number, because 989516045 - 2² = 989516041 is a prime.

It is a super-3 number, since 3×989516045³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989516041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53450 + ... + 69540.

It is an arithmetic number, because the mean of its divisors is an integer number (57786372).

Almost surely, 2^989516045 is an apocalyptic number.

It is an amenable number.

989516045 is a deficient number, since it is larger than the sum of its proper divisors (397356883).

989516045 is a wasteful number, since it uses less digits than its factorization.

989516045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16361 (or 16354 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 989516045 is about 31456.5739552164. The cubic root of 989516045 is about 996.4930641108.

The spelling of 989516045 in words is "nine hundred eighty-nine million, five hundred sixteen thousand, forty-five".