5399409 has 4 divisors (see below), whose sum is σ = 7199216. Its totient is φ = 3599604.

The previous prime is 5399393. The next prime is 5399417. The reversal of 5399409 is 9049935.

It is a happy number.

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 not a de Polignac number, because 5399409 - 2⁴ = 5399393 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5399419) 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, 899899 + ... + 899904.

It is an arithmetic number, because the mean of its divisors is an integer number (1799804).

Almost surely, 2^5399409 is an apocalyptic number.

It is an amenable number.

5399409 is a deficient number, since it is larger than the sum of its proper divisors (1799807).

5399409 is a wasteful number, since it uses less digits than its factorization.

5399409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799806.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 5399409 is about 2323.6628412917. The cubic root of 5399409 is about 175.4346637093.

The spelling of 5399409 in words is "five million, three hundred ninety-nine thousand, four hundred nine".