5809397 has 4 divisors (see below), whose sum is σ = 6337536. Its totient is φ = 5281260.

The previous prime is 5809387. The next prime is 5809399. The reversal of 5809397 is 7939085.

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 5809397 - 2¹⁶ = 5743861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5809399) 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, 264053 + ... + 264074.

It is an arithmetic number, because the mean of its divisors is an integer number (1584384).

Almost surely, 2^5809397 is an apocalyptic number.

It is an amenable number.

5809397 is a deficient number, since it is larger than the sum of its proper divisors (528139).

5809397 is a wasteful number, since it uses less digits than its factorization.

5809397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528138.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 5809397 is about 2410.2690721162. The cubic root of 5809397 is about 179.7671577804.

The spelling of 5809397 in words is "five million, eight hundred nine thousand, three hundred ninety-seven".