989614081 has 4 divisors (see below), whose sum is σ = 1047826692. Its totient is φ = 931401472.

The previous prime is 989614057. The next prime is 989614097. The reversal of 989614081 is 180416989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335073025 + 654541056 = 18305^2 + 25584^2 .

It is a cyclic number.

It is not a de Polignac number, because 989614081 - 2⁵ = 989614049 is a prime.

It is a super-2 number, since 2×989614081² = 1958672058626949122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989614001) 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 3 ways as a sum of consecutive naturals, for example, 29106280 + ... + 29106313.

It is an arithmetic number, because the mean of its divisors is an integer number (261956673).

Almost surely, 2^989614081 is an apocalyptic number.

It is an amenable number.

989614081 is a deficient number, since it is larger than the sum of its proper divisors (58212611).

989614081 is a wasteful number, since it uses less digits than its factorization.

989614081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58212610.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 989614081 is about 31458.1321918514. The cubic root of 989614081 is about 996.5259721061.

The spelling of 989614081 in words is "nine hundred eighty-nine million, six hundred fourteen thousand, eighty-one".