6604693 has 4 divisors (see below), whose sum is σ = 6670188. Its totient is φ = 6539200.

The previous prime is 6604691. The next prime is 6604699. The reversal of 6604693 is 3964066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3964066 = 2 ⋅1982033.

It can be written as a sum of positive squares in 2 ways, for example, as 3908529 + 2696164 = 1977^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 6604693 - 2¹ = 6604691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32596 + ... + 32797.

It is an arithmetic number, because the mean of its divisors is an integer number (1667547).

Almost surely, 2^6604693 is an apocalyptic number.

It is an amenable number.

6604693 is a deficient number, since it is larger than the sum of its proper divisors (65495).

6604693 is a wasteful number, since it uses less digits than its factorization.

6604693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65494.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6604693 is about 2569.9597273109. The cubic root of 6604693 is about 187.6221947181.

The spelling of 6604693 in words is "six million, six hundred four thousand, six hundred ninety-three".