5398809 has 24 divisors (see below), whose sum is σ = 8252160. Its totient is φ = 3120384.

The previous prime is 5398807. The next prime is 5398823. The reversal of 5398809 is 9088935.

5398809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5398809 - 2¹ = 5398807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5398807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11032 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (343840).

Almost surely, 2^5398809 is an apocalyptic number.

It is an amenable number.

5398809 is a deficient number, since it is larger than the sum of its proper divisors (2853351).

5398809 is a wasteful number, since it uses less digits than its factorization.

5398809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 5398809 is about 2323.5337311948. The cubic root of 5398809 is about 175.4281651773.

The spelling of 5398809 in words is "five million, three hundred ninety-eight thousand, eight hundred nine".