5646605 has 8 divisors (see below), whose sum is σ = 6852600. Its totient is φ = 4466176.

The previous prime is 5646593. The next prime is 5646617. The reversal of 5646605 is 5066465.

It is an interprime number because it is at equal distance from previous prime (5646593) and next prime (5646617).

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 5621641 = 158^2 + 2371^2 .

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 5646605 - 2⁶ = 5646541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (856575).

Almost surely, 2^5646605 is an apocalyptic number.

It is an amenable number.

5646605 is a deficient number, since it is larger than the sum of its proper divisors (1205995).

5646605 is a wasteful number, since it uses less digits than its factorization.

5646605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 5646605 is about 2376.2586138718. The cubic root of 5646605 is about 178.0720681955.

The spelling of 5646605 in words is "five million, six hundred forty-six thousand, six hundred five".