9489149 has 2 divisors, whose sum is σ = 9489150. Its totient is φ = 9489148.

The previous prime is 9489121. The next prime is 9489157. The reversal of 9489149 is 9419849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6285049 + 3204100 = 2507^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 9489149 - 2¹⁶ = 9423613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9489169) 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, 4744574 + 4744575.

It is an arithmetic number, because the mean of its divisors is an integer number (4744575).

Almost surely, 2^9489149 is an apocalyptic number.

It is an amenable number.

9489149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9489149 is an equidigital number, since it uses as much as digits as its factorization.

9489149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The square root of 9489149 is about 3080.4462339083. The cubic root of 9489149 is about 211.7105117871.

The spelling of 9489149 in words is "nine million, four hundred eighty-nine thousand, one hundred forty-nine".