3974892886 has 4 divisors (see below), whose sum is σ = 5962339332. Its totient is φ = 1987446442.

The previous prime is 3974892871. The next prime is 3974892923. The reversal of 3974892886 is 6882984793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6882984793 = 487 ⋅14133439.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 993723220 + ... + 993723223.

It is an arithmetic number, because the mean of its divisors is an integer number (1490584833).

Almost surely, 2^3974892886 is an apocalyptic number.

3974892886 is a deficient number, since it is larger than the sum of its proper divisors (1987446446).

3974892886 is a wasteful number, since it uses less digits than its factorization.

3974892886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987446445.

The product of its digits is 41803776, while the sum is 64.

The square root of 3974892886 is about 63046.7515895942. The cubic root of 3974892886 is about 1584.0728237763.

The spelling of 3974892886 in words is "three billion, nine hundred seventy-four million, eight hundred ninety-two thousand, eight hundred eighty-six".