9279661 has 2 divisors, whose sum is σ = 9279662. Its totient is φ = 9279660.

The previous prime is 9279659. The next prime is 9279703. The reversal of 9279661 is 1669729.

9279661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8590761 + 688900 = 2931^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 9279661 - 2¹ = 9279659 is a prime.

It is a super-2 number, since 2×9279661² = 172224216549842, which contains 22 as substring.

Together with 9279659, it forms a pair of twin primes.

It is a Chen prime.

9279661 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9279601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4639830 + 4639831.

It is an arithmetic number, because the mean of its divisors is an integer number (4639831).

Almost surely, 2^9279661 is an apocalyptic number.

It is an amenable number.

9279661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9279661 is an equidigital number, since it uses as much as digits as its factorization.

9279661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 9279661 is about 3046.2536007365. The cubic root of 9279661 is about 210.1409560089.

The spelling of 9279661 in words is "nine million, two hundred seventy-nine thousand, six hundred sixty-one".