9306989 has 4 divisors (see below), whose sum is σ = 9434556. Its totient is φ = 9179424.

The previous prime is 9306971. The next prime is 9306991. The reversal of 9306989 is 9896039.

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 5484964 + 3822025 = 2342^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 9306989 - 2⁸ = 9306733 is a prime.

It is a super-2 number, since 2×9306989² = 173240088492242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9306289) 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 3 ways as a sum of consecutive naturals, for example, 63674 + ... + 63819.

It is an arithmetic number, because the mean of its divisors is an integer number (2358639).

Almost surely, 2^9306989 is an apocalyptic number.

It is an amenable number.

9306989 is a deficient number, since it is larger than the sum of its proper divisors (127567).

9306989 is a wasteful number, since it uses less digits than its factorization.

9306989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127566.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9306989 is about 3050.7358128819. The cubic root of 9306989 is about 210.3470376724.

The spelling of 9306989 in words is "nine million, three hundred six thousand, nine hundred eighty-nine".