6604091 has 8 divisors (see below), whose sum is σ = 7210560. Its totient is φ = 6011712.

The previous prime is 6604063. The next prime is 6604097. The reversal of 6604091 is 1904066.

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

It is a cyclic number.

It is not a de Polignac number, because 6604091 - 2⁶ = 6604027 is a prime.

It is a super-2 number, since 2×6604091² = 87228035872562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6604091.

It is not an unprimeable number, because it can be changed into a prime (6604097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531 + ... + 4428.

It is an arithmetic number, because the mean of its divisors is an integer number (901320).

Almost surely, 2^6604091 is an apocalyptic number.

6604091 is a deficient number, since it is larger than the sum of its proper divisors (606469).

6604091 is a wasteful number, since it uses less digits than its factorization.

6604091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 6604091 is about 2569.8426021840. The cubic root of 6604091 is about 187.6164941255.

The spelling of 6604091 in words is "six million, six hundred four thousand, ninety-one".