9989377 has 2 divisors, whose sum is σ = 9989378. Its totient is φ = 9989376.

The previous prime is 9989341. The next prime is 9989381. The reversal of 9989377 is 7739899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 2972176 = 2649^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 9989377 - 2¹⁹ = 9465089 is a prime.

It is not a weakly prime, because it can be changed into another prime (9989327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994688 + 4994689.

It is an arithmetic number, because the mean of its divisors is an integer number (4994689).

Almost surely, 2^9989377 is an apocalyptic number.

It is an amenable number.

9989377 is a deficient number, since it is larger than the sum of its proper divisors (1).

9989377 is an equidigital number, since it uses as much as digits as its factorization.

9989377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 52.

The square root of 9989377 is about 3160.5975700807. The cubic root of 9989377 is about 215.3671534411.

The spelling of 9989377 in words is "nine million, nine hundred eighty-nine thousand, three hundred seventy-seven".