5439863 has 16 divisors (see below), whose sum is σ = 6468000. Its totient is φ = 4510080.

The previous prime is 5439853. The next prime is 5439869. The reversal of 5439863 is 3689345.

It is a cyclic number.

It is not a de Polignac number, because 5439863 - 2⁸ = 5439607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439869) 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 15 ways as a sum of consecutive naturals, for example, 15413 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (404250).

Almost surely, 2^5439863 is an apocalyptic number.

5439863 is a deficient number, since it is larger than the sum of its proper divisors (1028137).

5439863 is a wasteful number, since it uses less digits than its factorization.

5439863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 77760, while the sum is 38.

The square root of 5439863 is about 2332.3513886205. The cubic root of 5439863 is about 175.8717104875.

The spelling of 5439863 in words is "five million, four hundred thirty-nine thousand, eight hundred sixty-three".