9946789 has 2 divisors, whose sum is σ = 9946790. Its totient is φ = 9946788.

The previous prime is 9946777. The next prime is 9946799. The reversal of 9946789 is 9876499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8584900 + 1361889 = 2930^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 9946789 - 2⁷ = 9946661 is a prime.

It is a super-2 number, since 2×9946789² = 197877222821042, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9946759) 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 as a sum of consecutive naturals, namely, 4973394 + 4973395.

It is an arithmetic number, because the mean of its divisors is an integer number (4973395).

Almost surely, 2^9946789 is an apocalyptic number.

It is an amenable number.

9946789 is a deficient number, since it is larger than the sum of its proper divisors (1).

9946789 is an equidigital number, since it uses as much as digits as its factorization.

9946789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 9946789 is about 3153.8530403302. The cubic root of 9946789 is about 215.0606571238.

The spelling of 9946789 in words is "nine million, nine hundred forty-six thousand, seven hundred eighty-nine".