9769149 has 12 divisors (see below), whose sum is σ = 15196636. Its totient is φ = 6011712.

The previous prime is 9769139. The next prime is 9769157. The reversal of 9769149 is 9419679.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 7193124 = 1605^2 + 2682^2 .

It is not a de Polignac number, because 9769149 - 2⁹ = 9768637 is a prime.

9769149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9769129) 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 11 ways as a sum of consecutive naturals, for example, 41632 + ... + 41865.

Almost surely, 2^9769149 is an apocalyptic number.

It is an amenable number.

9769149 is a deficient number, since it is larger than the sum of its proper divisors (5427487).

9769149 is a wasteful number, since it uses less digits than its factorization.

9769149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83516 (or 83513 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9769149 is about 3125.5637891427. The cubic root of 9769149 is about 213.7727009849.

The spelling of 9769149 in words is "nine million, seven hundred sixty-nine thousand, one hundred forty-nine".