4459864 has 8 divisors (see below), whose sum is σ = 8362260. Its totient is φ = 2229928.

The previous prime is 4459849. The next prime is 4459891. The reversal of 4459864 is 4689544.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278734 + ... + 278749.

Almost surely, 2^4459864 is an apocalyptic number.

It is an amenable number.

4459864 is a deficient number, since it is larger than the sum of its proper divisors (3902396).

4459864 is a wasteful number, since it uses less digits than its factorization.

4459864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557489 (or 557485 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 4459864 is about 2111.8390090156. The cubic root of 4459864 is about 164.6040582920.

The spelling of 4459864 in words is "four million, four hundred fifty-nine thousand, eight hundred sixty-four".