6608139 has 4 divisors (see below), whose sum is σ = 8810856. Its totient is φ = 4405424.

The previous prime is 6608137. The next prime is 6608141. The reversal of 6608139 is 9318066.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6608137) and next prime (6608141).

It is a cyclic number.

It is not a de Polignac number, because 6608139 - 2¹ = 6608137 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6608131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101354 + ... + 1101359.

It is an arithmetic number, because the mean of its divisors is an integer number (2202714).

Almost surely, 2^6608139 is an apocalyptic number.

6608139 is a deficient number, since it is larger than the sum of its proper divisors (2202717).

6608139 is a wasteful number, since it uses less digits than its factorization.

6608139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202716.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6608139 is about 2570.6300784049. The cubic root of 6608139 is about 187.6548196850.

The spelling of 6608139 in words is "six million, six hundred eight thousand, one hundred thirty-nine".