3986454871 has 8 divisors (see below), whose sum is σ = 4559815584. Its totient is φ = 3414060960.

The previous prime is 3986454853. The next prime is 3986454877. The reversal of 3986454871 is 1784546893.

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 3986454871 - 2¹⁵ = 3986422103 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 (3986454877) 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, 232840 + ... + 249373.

It is an arithmetic number, because the mean of its divisors is an integer number (569976948).

Almost surely, 2^3986454871 is an apocalyptic number.

3986454871 is a deficient number, since it is larger than the sum of its proper divisors (573360713).

3986454871 is a wasteful number, since it uses less digits than its factorization.

3986454871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483401.

The product of its digits is 5806080, while the sum is 55.

The square root of 3986454871 is about 63138.3787485868. The cubic root of 3986454871 is about 1585.6072296437.

The spelling of 3986454871 in words is "three billion, nine hundred eighty-six million, four hundred fifty-four thousand, eight hundred seventy-one".