3881917 has 8 divisors (see below), whose sum is σ = 4362624. Its totient is φ = 3427248.

The previous prime is 3881887. The next prime is 3881951. The reversal of 3881917 is 7191883.

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 3881917 - 2¹⁵ = 3849149 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 (3881987) 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, 6193 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (545328).

Almost surely, 2^3881917 is an apocalyptic number.

It is an amenable number.

3881917 is a deficient number, since it is larger than the sum of its proper divisors (480707).

3881917 is a wasteful number, since it uses less digits than its factorization.

3881917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019.

The product of its digits is 12096, while the sum is 37.

The square root of 3881917 is about 1970.2581049193. The cubic root of 3881917 is about 157.1624348296.

The spelling of 3881917 in words is "three million, eight hundred eighty-one thousand, nine hundred seventeen".