3881867 has 8 divisors (see below), whose sum is σ = 4250880. Its totient is φ = 3515560.

The previous prime is 3881863. The next prime is 3881869. The reversal of 3881867 is 7681883.

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 3881867 - 2² = 3881863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881863) 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, 3458 + ... + 4440.

It is an arithmetic number, because the mean of its divisors is an integer number (531360).

Almost surely, 2^3881867 is an apocalyptic number.

3881867 is a deficient number, since it is larger than the sum of its proper divisors (369013).

3881867 is a wasteful number, since it uses less digits than its factorization.

3881867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its digits is 64512, while the sum is 41.

The square root of 3881867 is about 1970.2454161855. The cubic root of 3881867 is about 157.1617600637.

The spelling of 3881867 in words is "three million, eight hundred eighty-one thousand, eight hundred sixty-seven".