4393288 has 8 divisors (see below), whose sum is σ = 8237430. Its totient is φ = 2196640.

The previous prime is 4393283. The next prime is 4393309. The reversal of 4393288 is 8823934.

It can be written as a sum of positive squares in only one way, i.e., 4334724 + 58564 = 2082^2 + 242^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4393283) 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 as a sum of consecutive naturals, namely, 274573 + ... + 274588.

Almost surely, 2^4393288 is an apocalyptic number.

It is an amenable number.

4393288 is a deficient number, since it is larger than the sum of its proper divisors (3844142).

4393288 is a wasteful number, since it uses less digits than its factorization.

4393288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549167 (or 549163 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 4393288 is about 2096.0171755021. The cubic root of 4393288 is about 163.7808892255.

The spelling of 4393288 in words is "four million, three hundred ninety-three thousand, two hundred eighty-eight".