5409805 has 8 divisors (see below), whose sum is σ = 6715800. Its totient is φ = 4178496.

The previous prime is 5409799. The next prime is 5409847. The reversal of 5409805 is 5089045.

It can be written as a sum of positive squares in 4 ways, for example, as 561001 + 4848804 = 749^2 + 2202^2 .

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 5409805 - 2⁵ = 5409773 is a prime.

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, 18510 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (839475).

Almost surely, 2^5409805 is an apocalyptic number.

It is an amenable number.

5409805 is a deficient number, since it is larger than the sum of its proper divisors (1305995).

5409805 is a wasteful number, since it uses less digits than its factorization.

5409805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37343.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5409805 is about 2325.8987510208. The cubic root of 5409805 is about 175.5471852520.

The spelling of 5409805 in words is "five million, four hundred nine thousand, eight hundred five".