3871366 has 4 divisors (see below), whose sum is σ = 5807052. Its totient is φ = 1935682.

The previous prime is 3871363. The next prime is 3871381. The reversal of 3871366 is 6631783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6631783 = 83 ⋅79901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967840 + ... + 967843.

It is an arithmetic number, because the mean of its divisors is an integer number (1451763).

Almost surely, 2^3871366 is an apocalyptic number.

3871366 is a deficient number, since it is larger than the sum of its proper divisors (1935686).

3871366 is a wasteful number, since it uses less digits than its factorization.

3871366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935685.

The product of its digits is 18144, while the sum is 34.

The square root of 3871366 is about 1967.5787150709. The cubic root of 3871366 is about 157.0199171454.

The spelling of 3871366 in words is "three million, eight hundred seventy-one thousand, three hundred sixty-six".