9670649 has 12 divisors (see below), whose sum is σ = 10265892. Its totient is φ = 9108000.

The previous prime is 9670621. The next prime is 9670663. The reversal of 9670649 is 9460769.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 5290000 = 2093^2 + 2300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9670649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9670699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53339 + ... + 53519.

It is an arithmetic number, because the mean of its divisors is an integer number (855491).

Almost surely, 2^9670649 is an apocalyptic number.

It is an amenable number.

9670649 is a deficient number, since it is larger than the sum of its proper divisors (595243).

9670649 is a wasteful number, since it uses less digits than its factorization.

9670649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 9670649 is about 3109.7667115075. The cubic root of 9670649 is about 213.0517995790.

The spelling of 9670649 in words is "nine million, six hundred seventy thousand, six hundred forty-nine".