4288664 has 16 divisors (see below), whose sum is σ = 8301120. Its totient is φ = 2075040.

The previous prime is 4288637. The next prime is 4288681. The reversal of 4288664 is 4668824.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁵ + 2³ + 8 + 8 + 6⁶ + 6⁶ + 4¹¹ .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8399 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (518820).

Almost surely, 2^4288664 is an apocalyptic number.

It is an amenable number.

4288664 is a deficient number, since it is larger than the sum of its proper divisors (4012456).

4288664 is a wasteful number, since it uses less digits than its factorization.

4288664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17330 (or 17326 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 4288664 is about 2070.9089791683. The cubic root of 4288664 is about 162.4703093684.

The spelling of 4288664 in words is "four million, two hundred eighty-eight thousand, six hundred sixty-four".