9649589 has 2 divisors, whose sum is σ = 9649590. Its totient is φ = 9649588.

The previous prime is 9649583. The next prime is 9649603. The reversal of 9649589 is 9859469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 4765489 = 2210^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 9649589 - 2²⁰ = 8601013 is a prime.

It is a super-2 number, since 2×9649589² = 186229135737842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9649583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824794 + 4824795.

It is an arithmetic number, because the mean of its divisors is an integer number (4824795).

Almost surely, 2^9649589 is an apocalyptic number.

It is an amenable number.

9649589 is a deficient number, since it is larger than the sum of its proper divisors (1).

9649589 is an equidigital number, since it uses as much as digits as its factorization.

9649589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The square root of 9649589 is about 3106.3787599068. The cubic root of 9649589 is about 212.8970312037.

The spelling of 9649589 in words is "nine million, six hundred forty-nine thousand, five hundred eighty-nine".