8346561 has 4 divisors (see below), whose sum is σ = 11128752. Its totient is φ = 5564372.

The previous prime is 8346551. The next prime is 8346607. The reversal of 8346561 is 1656438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8346561 - 2⁷ = 8346433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8346521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391091 + ... + 1391096.

It is an arithmetic number, because the mean of its divisors is an integer number (2782188).

Almost surely, 2^8346561 is an apocalyptic number.

It is an amenable number.

8346561 is a deficient number, since it is larger than the sum of its proper divisors (2782191).

8346561 is a wasteful number, since it uses less digits than its factorization.

8346561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782190.

The product of its digits is 17280, while the sum is 33.

The square root of 8346561 is about 2889.0415365654. The cubic root of 8346561 is about 202.8472809320.

The spelling of 8346561 in words is "eight million, three hundred forty-six thousand, five hundred sixty-one".