3871379 has 4 divisors (see below), whose sum is σ = 3891840. Its totient is φ = 3850920.

The previous prime is 3871363. The next prime is 3871381. The reversal of 3871379 is 9731783.

It is a happy number.

3871379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9731783 = 23 ⋅423121.

It is a cyclic number.

It is not a de Polignac number, because 3871379 - 2⁴ = 3871363 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 (3871319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9944 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (972960).

Almost surely, 2^3871379 is an apocalyptic number.

3871379 is a deficient number, since it is larger than the sum of its proper divisors (20461).

3871379 is a wasteful number, since it uses less digits than its factorization.

3871379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460.

The product of its digits is 31752, while the sum is 38.

The square root of 3871379 is about 1967.5820186208. The cubic root of 3871379 is about 157.0200929022.

It can be divided in two parts, 38 and 71379, that added together give a palindrome (71417).

The spelling of 3871379 in words is "three million, eight hundred seventy-one thousand, three hundred seventy-nine".