6609798 has 48 divisors (see below), whose sum is σ = 15777216. Its totient is φ = 1987200.

The previous prime is 6609797. The next prime is 6609803. The reversal of 6609798 is 8979066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10698 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (328692).

Almost surely, 2^6609798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6609798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7888608).

6609798 is an abundant number, since it is smaller than the sum of its proper divisors (9167418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6609798 is a wasteful number, since it uses less digits than its factorization.

6609798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6609798 is about 2570.9527416894. The cubic root of 6609798 is about 187.6705222046.

The spelling of 6609798 in words is "six million, six hundred nine thousand, seven hundred ninety-eight".