5439664 has 20 divisors (see below), whose sum is σ = 10626304. Its totient is φ = 2697408.

The previous prime is 5439653. The next prime is 5439667. The reversal of 5439664 is 4669345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5439667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694 + ... + 3370.

Almost surely, 2^5439664 is an apocalyptic number.

It is an amenable number.

5439664 is a deficient number, since it is larger than the sum of its proper divisors (5186640).

5439664 is a wasteful number, since it uses less digits than its factorization.

5439664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2806 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 5439664 is about 2332.3087274201. The cubic root of 5439664 is about 175.8695658932.

The spelling of 5439664 in words is "five million, four hundred thirty-nine thousand, six hundred sixty-four".