5406566 has 8 divisors (see below), whose sum is σ = 8847144. Its totient is φ = 2457520.

The previous prime is 5406563. The next prime is 5406589. The reversal of 5406566 is 6656045.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406563) 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, 122855 + ... + 122898.

It is an arithmetic number, because the mean of its divisors is an integer number (1105893).

Almost surely, 2^5406566 is an apocalyptic number.

5406566 is a deficient number, since it is larger than the sum of its proper divisors (3440578).

5406566 is a wasteful number, since it uses less digits than its factorization.

5406566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245766.

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

The square root of 5406566 is about 2325.2023567853. The cubic root of 5406566 is about 175.5121432711.

The spelling of 5406566 in words is "five million, four hundred six thousand, five hundred sixty-six".