3887842 has 8 divisors (see below), whose sum is σ = 6664896. Its totient is φ = 1666212.

The previous prime is 3887839. The next prime is 3887843. The reversal of 3887842 is 2487883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3887795 and 3887804.

It is not an unprimeable number, because it can be changed into a prime (3887843) 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, 138838 + ... + 138865.

It is an arithmetic number, because the mean of its divisors is an integer number (833112).

Almost surely, 2^3887842 is an apocalyptic number.

3887842 is a deficient number, since it is larger than the sum of its proper divisors (2777054).

3887842 is a wasteful number, since it uses less digits than its factorization.

3887842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277712.

The product of its digits is 86016, while the sum is 40.

The square root of 3887842 is about 1971.7611417208. The cubic root of 3887842 is about 157.2423535972.

The spelling of 3887842 in words is "three million, eight hundred eighty-seven thousand, eight hundred forty-two".