3841646887 has 4 divisors (see below), whose sum is σ = 4137158200. Its totient is φ = 3546135576.

The previous prime is 3841646869. The next prime is 3841646891. The reversal of 3841646887 is 7886461483.

3841646887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3841646887 - 2³¹ = 1694163239 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 (3841646867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147755637 + ... + 147755662.

It is an arithmetic number, because the mean of its divisors is an integer number (1034289550).

Almost surely, 2^3841646887 is an apocalyptic number.

3841646887 is a deficient number, since it is larger than the sum of its proper divisors (295511313).

3841646887 is a wasteful number, since it uses less digits than its factorization.

3841646887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295511312.

The product of its digits is 6193152, while the sum is 55.

The square root of 3841646887 is about 61981.0203772090. The cubic root of 3841646887 is about 1566.1708906043.

The spelling of 3841646887 in words is "three billion, eight hundred forty-one million, six hundred forty-six thousand, eight hundred eighty-seven".