6609658 has 8 divisors (see below), whose sum is σ = 10815840. Its totient is φ = 3004380.

The previous prime is 6609649. The next prime is 6609661. The reversal of 6609658 is 8569066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6609658.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150198 + ... + 150241.

It is an arithmetic number, because the mean of its divisors is an integer number (1351980).

Almost surely, 2^6609658 is an apocalyptic number.

6609658 is a deficient number, since it is larger than the sum of its proper divisors (4206182).

6609658 is a wasteful number, since it uses less digits than its factorization.

6609658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300452.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6609658 is about 2570.9255142847. The cubic root of 6609658 is about 187.6691971990.

The spelling of 6609658 in words is "six million, six hundred nine thousand, six hundred fifty-eight".