9306561 has 16 divisors (see below), whose sum is σ = 14250240. Its totient is φ = 5343120.

The previous prime is 9306553. The next prime is 9306571. The reversal of 9306561 is 1656039.

It is a happy number.

It is not a de Polignac number, because 9306561 - 2³ = 9306553 is a prime.

It is a super-2 number, since 2×9306561² = 173224155293442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9306511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6795 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (890640).

Almost surely, 2^9306561 is an apocalyptic number.

It is an amenable number.

9306561 is a deficient number, since it is larger than the sum of its proper divisors (4943679).

9306561 is a wasteful number, since it uses less digits than its factorization.

9306561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14876.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9306561 is about 3050.6656650639. The cubic root of 9306561 is about 210.3438132171.

The spelling of 9306561 in words is "nine million, three hundred six thousand, five hundred sixty-one".