3981327 has 16 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 2221632.

The previous prime is 3981301. The next prime is 3981331. The reversal of 3981327 is 7231893.

It is not a de Polignac number, because 3981327 - 2⁸ = 3981071 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 2^3981327 is an apocalyptic number.

3981327 is a deficient number, since it is larger than the sum of its proper divisors (2227953).

3981327 is a wasteful number, since it uses less digits than its factorization.

3981327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its digits is 9072, while the sum is 33.

The square root of 3981327 is about 1995.3262891066. The cubic root of 3981327 is about 158.4927069923.

The spelling of 3981327 in words is "three million, nine hundred eighty-one thousand, three hundred twenty-seven".