6601338 has 72 divisors (see below), whose sum is σ = 16091712. Its totient is φ = 2026944.

The previous prime is 6601313. The next prime is 6601339. The reversal of 6601338 is 8331066.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6601339) 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 in 35 ways as a sum of consecutive naturals, for example, 140431 + ... + 140477.

It is an arithmetic number, because the mean of its divisors is an integer number (223496).

Almost surely, 2^6601338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6601338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8045856).

6601338 is an abundant number, since it is smaller than the sum of its proper divisors (9490374).

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

6601338 is a wasteful number, since it uses less digits than its factorization.

6601338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6601338 is about 2569.3069104332. The cubic root of 6601338 is about 187.5904203885.

The spelling of 6601338 in words is "six million, six hundred one thousand, three hundred thirty-eight".