3998056039 has 8 divisors (see below), whose sum is σ = 4234256208. Its totient is φ = 3761969280.

The previous prime is 3998056037. The next prime is 3998056103. The reversal of 3998056039 is 9306508993.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3998056039 - 2¹ = 3998056037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998056033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50529 + ... + 102709.

It is an arithmetic number, because the mean of its divisors is an integer number (529282026).

Almost surely, 2^3998056039 is an apocalyptic number.

3998056039 is a deficient number, since it is larger than the sum of its proper divisors (236200169).

3998056039 is a wasteful number, since it uses less digits than its factorization.

3998056039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56705.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 3998056039 is about 63230.1829745890. The cubic root of 3998056039 is about 1587.1438564875.

The spelling of 3998056039 in words is "three billion, nine hundred ninety-eight million, fifty-six thousand, thirty-nine".