5865409 has 4 divisors (see below), whose sum is σ = 6398640. Its totient is φ = 5332180.

The previous prime is 5865407. The next prime is 5865413. The reversal of 5865409 is 9045685.

5865409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5865409 - 2¹ = 5865407 is a prime.

It is a Duffinian number.

5865409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5865403) 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, 266599 + ... + 266620.

It is an arithmetic number, because the mean of its divisors is an integer number (1599660).

Almost surely, 2^5865409 is an apocalyptic number.

It is an amenable number.

5865409 is a deficient number, since it is larger than the sum of its proper divisors (533231).

5865409 is a wasteful number, since it uses less digits than its factorization.

5865409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533230.

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

The square root of 5865409 is about 2421.8606483446. The cubic root of 5865409 is about 180.3430597431.

It can be divided in two parts, 586 and 5409, that added together give a palindrome (5995).

The spelling of 5865409 in words is "five million, eight hundred sixty-five thousand, four hundred nine".