3861116 has 24 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 1631232.

The previous prime is 3861113. The next prime is 3861119. The reversal of 3861116 is 6111683.

It is an interprime number because it is at equal distance from previous prime (3861113) and next prime (3861119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861113) 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, 1100 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^3861116 is an apocalyptic number.

It is an amenable number.

3861116 is an abundant number, since it is smaller than the sum of its proper divisors (3971044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861116 is a wasteful number, since it uses less digits than its factorization.

3861116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1971 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 3861116 is about 1964.9722644353. The cubic root of 3861116 is about 156.8812170359.

Adding to 3861116 its reverse (6111683), we get a palindrome (9972799).

The spelling of 3861116 in words is "three million, eight hundred sixty-one thousand, one hundred sixteen".