3931116 has 48 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 1100736.

The previous prime is 3931093. The next prime is 3931159. The reversal of 3931116 is 6111393.

3931116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^3931116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3931116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5346432).

3931116 is an abundant number, since it is smaller than the sum of its proper divisors (6761748).

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

3931116 is a wasteful number, since it uses less digits than its factorization.

3931116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its digits is 486, while the sum is 24.

The square root of 3931116 is about 1982.7042139462. The cubic root of 3931116 is about 157.8236027414.

The spelling of 3931116 in words is "three million, nine hundred thirty-one thousand, one hundred sixteen".