6604669 has 4 divisors (see below), whose sum is σ = 6668896. Its totient is φ = 6540444.

The previous prime is 6604667. The next prime is 6604673. The reversal of 6604669 is 9664066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9664066 = 2 ⋅4832033.

It is a cyclic number.

It is not a de Polignac number, because 6604669 - 2¹ = 6604667 is a prime.

It is a super-2 number, since 2×6604669² = 87243305199122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604667) 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, 31959 + ... + 32164.

It is an arithmetic number, because the mean of its divisors is an integer number (1667224).

Almost surely, 2^6604669 is an apocalyptic number.

It is an amenable number.

6604669 is a deficient number, since it is larger than the sum of its proper divisors (64227).

6604669 is a wasteful number, since it uses less digits than its factorization.

6604669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64226.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 6604669 is about 2569.9550579728. The cubic root of 6604669 is about 187.6219674586.

It can be divided in two parts, 660 and 4669, that added together give a square (5329 = 73²).

The spelling of 6604669 in words is "six million, six hundred four thousand, six hundred sixty-nine".