4398003938 has 8 divisors (see below), whose sum is σ = 6985065132. Its totient is φ = 2069648896.

The previous prime is 4398003931. The next prime is 4398004073. The reversal of 4398003938 is 8393008934.

It can be written as a sum of positive squares in 2 ways, for example, as 4389460009 + 8543929 = 66253^2 + 2923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4398003892 and 4398003901.

It is not an unprimeable number, because it can be changed into a prime (4398003931) 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 3 ways as a sum of consecutive naturals, for example, 64676495 + ... + 64676562.

Almost surely, 2^4398003938 is an apocalyptic number.

4398003938 is a deficient number, since it is larger than the sum of its proper divisors (2587061194).

4398003938 is a wasteful number, since it uses less digits than its factorization.

4398003938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129353076.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 4398003938 is about 66317.4482168909. The cubic root of 4398003938 is about 1638.3947134106.

The spelling of 4398003938 in words is "four billion, three hundred ninety-eight million, three thousand, nine hundred thirty-eight".