5405806 has 8 divisors (see below), whose sum is σ = 9267120. Its totient is φ = 2316768.

The previous prime is 5405797. The next prime is 5405819. The reversal of 5405806 is 6085045.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 193051 + ... + 193078.

It is an arithmetic number, because the mean of its divisors is an integer number (1158390).

Almost surely, 2^5405806 is an apocalyptic number.

5405806 is a deficient number, since it is larger than the sum of its proper divisors (3861314).

5405806 is a wasteful number, since it uses less digits than its factorization.

5405806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386138.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 5405806 is about 2325.0389244054. The cubic root of 5405806 is about 175.5039189824.

The spelling of 5405806 in words is "five million, four hundred five thousand, eight hundred six".