5399309 has 4 divisors (see below), whose sum is σ = 5422716. Its totient is φ = 5375904.

The previous prime is 5399291. The next prime is 5399321. The reversal of 5399309 is 9039935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9039935 = 5 ⋅1807987.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 4972900 = 653^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 5399309 - 2¹² = 5395213 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 (5399389) 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, 11354 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (1355679).

Almost surely, 2^5399309 is an apocalyptic number.

It is an amenable number.

5399309 is a deficient number, since it is larger than the sum of its proper divisors (23407).

5399309 is a wasteful number, since it uses less digits than its factorization.

5399309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406.

The product of its (nonzero) digits is 32805, while the sum is 38.

The square root of 5399309 is about 2323.6413234404. The cubic root of 5399309 is about 175.4335806541.

The spelling of 5399309 in words is "five million, three hundred ninety-nine thousand, three hundred nine".