5397809 has 4 divisors (see below), whose sum is σ = 5512704. Its totient is φ = 5282916.

The previous prime is 5397803. The next prime is 5397811. The reversal of 5397809 is 9087935.

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 5397809 - 2⁴ = 5397793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5397803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57377 + ... + 57470.

It is an arithmetic number, because the mean of its divisors is an integer number (1378176).

Almost surely, 2^5397809 is an apocalyptic number.

It is an amenable number.

5397809 is a deficient number, since it is larger than the sum of its proper divisors (114895).

5397809 is a wasteful number, since it uses less digits than its factorization.

5397809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114894.

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

The square root of 5397809 is about 2323.3185317558. The cubic root of 5397809 is about 175.4173332205.

The spelling of 5397809 in words is "five million, three hundred ninety-seven thousand, eight hundred nine".