3878317 has 4 divisors (see below), whose sum is σ = 4003456. Its totient is φ = 3753180.

The previous prime is 3878297. The next prime is 3878323. The reversal of 3878317 is 7138783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3878317 - 2¹¹ = 3876269 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 (3878617) 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, 62523 + ... + 62584.

It is an arithmetic number, because the mean of its divisors is an integer number (1000864).

Almost surely, 2^3878317 is an apocalyptic number.

It is an amenable number.

3878317 is a deficient number, since it is larger than the sum of its proper divisors (125139).

3878317 is a wasteful number, since it uses less digits than its factorization.

3878317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125138.

The product of its digits is 28224, while the sum is 37.

The square root of 3878317 is about 1969.3443071236. The cubic root of 3878317 is about 157.1138368685.

The spelling of 3878317 in words is "three million, eight hundred seventy-eight thousand, three hundred seventeen".