5409865 has 8 divisors (see below), whose sum is σ = 6565320. Its totient is φ = 4278912.

The previous prime is 5409847. The next prime is 5409913. The reversal of 5409865 is 5689045.

It can be written as a sum of positive squares in 4 ways, for example, as 87616 + 5322249 = 296^2 + 2307^2 .

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 5409865 - 2⁹ = 5409353 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, 5634 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (820665).

Almost surely, 2^5409865 is an apocalyptic number.

It is an amenable number.

5409865 is a deficient number, since it is larger than the sum of its proper divisors (1155455).

5409865 is a wasteful number, since it uses less digits than its factorization.

5409865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5409865 is about 2325.9116492249. The cubic root of 5409865 is about 175.5478342459.

The spelling of 5409865 in words is "five million, four hundred nine thousand, eight hundred sixty-five".