3982191 has 12 divisors (see below), whose sum is σ = 5605272. Its totient is φ = 2514384.

The previous prime is 3982183. The next prime is 3982201. The reversal of 3982191 is 1912893.

It is not a de Polignac number, because 3982191 - 2³ = 3982183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (467106).

Almost surely, 2^3982191 is an apocalyptic number.

3982191 is a deficient number, since it is larger than the sum of its proper divisors (1623081).

3982191 is a wasteful number, since it uses less digits than its factorization.

3982191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3699 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 3982191 is about 1995.5427833048. The cubic root of 3982191 is about 158.5041711594.

The spelling of 3982191 in words is "three million, nine hundred eighty-two thousand, one hundred ninety-one".