6609893 has 2 divisors, whose sum is σ = 6609894. Its totient is φ = 6609892.

The previous prime is 6609881. The next prime is 6609971. The reversal of 6609893 is 3989066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3452164 + 3157729 = 1858^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 6609893 - 2⁴ = 6609877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6609893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6609803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3304946 + 3304947.

It is an arithmetic number, because the mean of its divisors is an integer number (3304947).

Almost surely, 2^6609893 is an apocalyptic number.

It is an amenable number.

6609893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6609893 is an equidigital number, since it uses as much as digits as its factorization.

6609893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6609893 is about 2570.9712172640. The cubic root of 6609893 is about 187.6714213049.

The spelling of 6609893 in words is "six million, six hundred nine thousand, eight hundred ninety-three".