4288438 has 16 divisors (see below), whose sum is σ = 8020224. Its totient is φ = 1670760.

The previous prime is 4288397. The next prime is 4288439. The reversal of 4288438 is 8348824.

It is a junction number, because it is equal to n+sod(n) for n = 4288397 and 4288406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13770 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (501264).

Almost surely, 2^4288438 is an apocalyptic number.

4288438 is a deficient number, since it is larger than the sum of its proper divisors (3731786).

4288438 is a wasteful number, since it uses less digits than its factorization.

4288438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27867.

The product of its digits is 49152, while the sum is 37.

The square root of 4288438 is about 2070.8544130383. The cubic root of 4288438 is about 162.4674554155.

The spelling of 4288438 in words is "four million, two hundred eighty-eight thousand, four hundred thirty-eight".