5643459 has 16 divisors (see below), whose sum is σ = 8411040. Its totient is φ = 3739680.

The previous prime is 5643427. The next prime is 5643479. The reversal of 5643459 is 9543465.

It is a happy number.

5643459 is a `hidden beast` number, since 5 + 643 + 4 + 5 + 9 = 666.

It is not a de Polignac number, because 5643459 - 2⁵ = 5643427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5643479) 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, 4789 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (525690).

Almost surely, 2^5643459 is an apocalyptic number.

5643459 is a deficient number, since it is larger than the sum of its proper divisors (2767581).

5643459 is a wasteful number, since it uses less digits than its factorization.

5643459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1261 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5643459 is about 2375.5965566569. The cubic root of 5643459 is about 178.0389911637.

The spelling of 5643459 in words is "five million, six hundred forty-three thousand, four hundred fifty-nine".