8146609 has 2 divisors, whose sum is σ = 8146610. Its totient is φ = 8146608.

The previous prime is 8146603. The next prime is 8146627. The reversal of 8146609 is 9066418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5049009 + 3097600 = 2247^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 8146609 - 2¹¹ = 8144561 is a prime.

It is not a weakly prime, because it can be changed into another prime (8146603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073304 + 4073305.

It is an arithmetic number, because the mean of its divisors is an integer number (4073305).

Almost surely, 2^8146609 is an apocalyptic number.

It is an amenable number.

8146609 is a deficient number, since it is larger than the sum of its proper divisors (1).

8146609 is an equidigital number, since it uses as much as digits as its factorization.

8146609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8146609 is about 2854.2265151876. The cubic root of 8146609 is about 201.2143534720.

The spelling of 8146609 in words is "eight million, one hundred forty-six thousand, six hundred nine".