5399239 has 4 divisors (see below), whose sum is σ = 5573440. Its totient is φ = 5225040.

The previous prime is 5399237. The next prime is 5399243. The reversal of 5399239 is 9329935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9329935 = 5 ⋅1865987.

It is a cyclic number.

It is not a de Polignac number, because 5399239 - 2¹ = 5399237 is a prime.

It is a Duffinian number.

5399239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5399231) 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, 87054 + ... + 87115.

It is an arithmetic number, because the mean of its divisors is an integer number (1393360).

Almost surely, 2^5399239 is an apocalyptic number.

5399239 is a deficient number, since it is larger than the sum of its proper divisors (174201).

5399239 is a wasteful number, since it uses less digits than its factorization.

5399239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174200.

The product of its digits is 65610, while the sum is 40.

The square root of 5399239 is about 2323.6262608260. The cubic root of 5399239 is about 175.4328225075.

The spelling of 5399239 in words is "five million, three hundred ninety-nine thousand, two hundred thirty-nine".