6604131 has 8 divisors (see below), whose sum is σ = 8844880. Its totient is φ = 4383072.

The previous prime is 6604099. The next prime is 6604133. The reversal of 6604131 is 1314066.

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

It is not a de Polignac number, because 6604131 - 2⁵ = 6604099 is a prime.

It is a super-2 number, since 2×6604131² = 87229092530322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6604098 and 6604107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604133) 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 7 ways as a sum of consecutive naturals, for example, 4120 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1105610).

Almost surely, 2^6604131 is an apocalyptic number.

6604131 is the 1374-th nonagonal number.

6604131 is a deficient number, since it is larger than the sum of its proper divisors (2240749).

6604131 is a wasteful number, since it uses less digits than its factorization.

6604131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6604131 is about 2569.8503847501. The cubic root of 6604131 is about 187.6168729132.

Adding to 6604131 its reverse (1314066), we get a palindrome (7918197).

The spelling of 6604131 in words is "six million, six hundred four thousand, one hundred thirty-one".