4288815 has 16 divisors (see below), whose sum is σ = 7624800. Its totient is φ = 2287296.

The previous prime is 4288807. The next prime is 4288847. The reversal of 4288815 is 5188824.

It is not a de Polignac number, because 4288815 - 2³ = 4288807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4288815.

It is a congruent number.

It is an unprimeable number.

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, 15750 + ... + 16019.

It is an arithmetic number, because the mean of its divisors is an integer number (476550).

Almost surely, 2^4288815 is an apocalyptic number.

4288815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4288815 is a deficient number, since it is larger than the sum of its proper divisors (3335985).

4288815 is a wasteful number, since it uses less digits than its factorization.

4288815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31783 (or 31777 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 4288815 is about 2070.9454362682. The cubic root of 4288815 is about 162.4722161572.

Subtracting 4288815 from its reverse (5188824), we obtain a palindrome (900009).

The spelling of 4288815 in words is "four million, two hundred eighty-eight thousand, eight hundred fifteen".