989417 has 24 divisors (see below), whose sum is σ = 1273608. Its totient is φ = 760320.

The previous prime is 989411. The next prime is 989419. The reversal of 989417 is 714989.

It can be written as a sum of positive squares in 4 ways, for example, as 290521 + 698896 = 539^2 + 836^2 .

It is not a de Polignac number, because 989417 - 2⁶ = 989353 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989417.

It is not an unprimeable number, because it can be changed into a prime (989411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26723 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (53067).

2⁹⁸⁹⁴¹⁷ is an apocalyptic number.

It is an amenable number.

989417 is a deficient number, since it is larger than the sum of its proper divisors (284191).

989417 is a wasteful number, since it uses less digits than its factorization.

989417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 78 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 989417 is about 994.6944254393. The cubic root of 989417 is about 99.6459815215.

The spelling of 989417 in words is "nine hundred eighty-nine thousand, four hundred seventeen".