3994570871 has 8 divisors (see below), whose sum is σ = 4129611024. Its totient is φ = 3861446400.

The previous prime is 3994570829. The next prime is 3994570897. The reversal of 3994570871 is 1780754993.

3994570871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3994570871 - 2¹⁰ = 3994569847 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 (3994579871) 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, 474680 + ... + 483021.

It is an arithmetic number, because the mean of its divisors is an integer number (516201378).

Almost surely, 2^3994570871 is an apocalyptic number.

3994570871 is a deficient number, since it is larger than the sum of its proper divisors (135040153).

3994570871 is an equidigital number, since it uses as much as digits as its factorization.

3994570871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957841.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 3994570871 is about 63202.6175961091. The cubic root of 3994570871 is about 1586.6825430398.

The spelling of 3994570871 in words is "three billion, nine hundred ninety-four million, five hundred seventy thousand, eight hundred seventy-one".