5666403 has 8 divisors (see below), whose sum is σ = 7630416. Its totient is φ = 3740000.

The previous prime is 5666393. The next prime is 5666407. The reversal of 5666403 is 3046665.

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 5666403 - 2⁴ = 5666387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5666407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9048 + ... + 9653.

It is an arithmetic number, because the mean of its divisors is an integer number (953802).

Almost surely, 2^5666403 is an apocalyptic number.

5666403 is a deficient number, since it is larger than the sum of its proper divisors (1964013).

5666403 is a wasteful number, since it uses less digits than its factorization.

5666403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 5666403 is about 2380.4207611261. The cubic root of 5666403 is about 178.2799428686.

The spelling of 5666403 in words is "five million, six hundred sixty-six thousand, four hundred three".