3938042289 has 8 divisors (see below), whose sum is σ = 5292067840. Its totient is φ = 2604689136.

The previous prime is 3938042287. The next prime is 3938042291. The reversal of 3938042289 is 9822408393.

It is an interprime number because it is at equal distance from previous prime (3938042287) and next prime (3938042291).

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

It is not a de Polignac number, because 3938042289 - 2¹ = 3938042287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3938042281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5167654 + ... + 5168415.

It is an arithmetic number, because the mean of its divisors is an integer number (661508480).

Almost surely, 2^3938042289 is an apocalyptic number.

It is an amenable number.

3938042289 is a deficient number, since it is larger than the sum of its proper divisors (1354025551).

3938042289 is a wasteful number, since it uses less digits than its factorization.

3938042289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336199.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 3938042289 is about 62753.8229034694. The cubic root of 3938042289 is about 1579.1623890457.

The spelling of 3938042289 in words is "three billion, nine hundred thirty-eight million, forty-two thousand, two hundred eighty-nine".