3994159874 has 16 divisors (see below), whose sum is σ = 6021993600. Its totient is φ = 1986844944.

The previous prime is 3994159867. The next prime is 3994159927. The reversal of 3994159874 is 4789514993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598484 + ... + 605120.

It is an arithmetic number, because the mean of its divisors is an integer number (376374600).

Almost surely, 2^3994159874 is an apocalyptic number.

3994159874 is a deficient number, since it is larger than the sum of its proper divisors (2027833726).

3994159874 is a wasteful number, since it uses less digits than its factorization.

3994159874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137.

The product of its digits is 9797760, while the sum is 59.

The square root of 3994159874 is about 63199.3660885930. The cubic root of 3994159874 is about 1586.6281238333.

The spelling of 3994159874 in words is "three billion, nine hundred ninety-four million, one hundred fifty-nine thousand, eight hundred seventy-four".