10716989 has 4 divisors (see below), whose sum is σ = 10815420. Its totient is φ = 10618560.

The previous prime is 10716973. The next prime is 10716991. The reversal of 10716989 is 98961701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98961701 = 163 ⋅607127.

It can be written as a sum of positive squares in 2 ways, for example, as 8940100 + 1776889 = 2990^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 10716989 - 2⁴ = 10716973 is a prime.

It is a super-2 number, since 2×10716989² = 229707706452242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10716389) 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, 49052 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (2703855).

Almost surely, 2^10716989 is an apocalyptic number.

It is an amenable number.

10716989 is a deficient number, since it is larger than the sum of its proper divisors (98431).

10716989 is an equidigital number, since it uses as much as digits as its factorization.

10716989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98430.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 10716989 is about 3273.6812612104. The cubic root of 10716989 is about 220.4741083983.

The spelling of 10716989 in words is "ten million, seven hundred sixteen thousand, nine hundred eighty-nine".