3878887 has 8 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 3738240.

The previous prime is 3878879. The next prime is 3878893. The reversal of 3878887 is 7888783.

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 3878887 - 2³ = 3878879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3878887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878867) 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, 3118 + ... + 4180.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^3878887 is an apocalyptic number.

3878887 is a deficient number, since it is larger than the sum of its proper divisors (143033).

3878887 is a wasteful number, since it uses less digits than its factorization.

3878887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 602112, while the sum is 49.

The square root of 3878887 is about 1969.4890200252. The cubic root of 3878887 is about 157.1215335490.

The spelling of 3878887 in words is "three million, eight hundred seventy-eight thousand, eight hundred eighty-seven".