5236439 has 4 divisors (see below), whose sum is σ = 5639256. Its totient is φ = 4833624.

The previous prime is 5236409. The next prime is 5236447. The reversal of 5236439 is 9346325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5236439 - 2⁸ = 5236183 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 (5236409) 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, 201389 + ... + 201414.

It is an arithmetic number, because the mean of its divisors is an integer number (1409814).

Almost surely, 2^5236439 is an apocalyptic number.

5236439 is a deficient number, since it is larger than the sum of its proper divisors (402817).

5236439 is a wasteful number, since it uses less digits than its factorization.

5236439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402816.

The product of its digits is 19440, while the sum is 32.

The square root of 5236439 is about 2288.3266812236. The cubic root of 5236439 is about 173.6515575060.

The spelling of 5236439 in words is "five million, two hundred thirty-six thousand, four hundred thirty-nine".