4338891008 has 18 divisors (see below), whose sum is σ = 8660833734. Its totient is φ = 2169445376.

The previous prime is 4338891001. The next prime is 4338891013. The reversal of 4338891008 is 8001988334.

It can be written as a sum of positive squares in only one way, i.e., 2749114624 + 1589776384 = 52432^2 + 39872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4338891008.

It is not an unprimeable number, because it can be changed into a prime (4338891001) by changing a digit.

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 as a sum of consecutive naturals, namely, 8474141 + ... + 8474652.

Almost surely, 2^4338891008 is an apocalyptic number.

It is an amenable number.

4338891008 is a deficient number, since it is larger than the sum of its proper divisors (4321942726).

4338891008 is an equidigital number, since it uses as much as digits as its factorization.

4338891008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948809 (or 16948795 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 4338891008 is about 65870.2589033928. The cubic root of 4338891008 is about 1631.0211033368.

The spelling of 4338891008 in words is "four billion, three hundred thirty-eight million, eight hundred ninety-one thousand, eight".