5438865 has 16 divisors (see below), whose sum is σ = 8823168. Its totient is φ = 2860416.

The previous prime is 5438831. The next prime is 5438903. The reversal of 5438865 is 5688345.

It is a happy number.

It is not a de Polignac number, because 5438865 - 2⁶ = 5438801 is a prime.

5438865 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (551448).

Almost surely, 2^5438865 is an apocalyptic number.

It is an amenable number.

5438865 is a deficient number, since it is larger than the sum of its proper divisors (3384303).

5438865 is a wasteful number, since it uses less digits than its factorization.

5438865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its digits is 115200, while the sum is 39.

The square root of 5438865 is about 2332.1374316279. The cubic root of 5438865 is about 175.8609546589.

The spelling of 5438865 in words is "five million, four hundred thirty-eight thousand, eight hundred sixty-five".