3981027 has 4 divisors (see below), whose sum is σ = 5308040. Its totient is φ = 2654016.

The previous prime is 3981017. The next prime is 3981037. The reversal of 3981027 is 7201893.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3981017) and next prime (3981037).

It is not a de Polignac number, because 3981027 - 2¹⁰ = 3980003 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3980985 and 3981003.

It is not an unprimeable number, because it can be changed into a prime (3981017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663502 + ... + 663507.

It is an arithmetic number, because the mean of its divisors is an integer number (1327010).

Almost surely, 2^3981027 is an apocalyptic number.

3981027 is a deficient number, since it is larger than the sum of its proper divisors (1327013).

3981027 is a wasteful number, since it uses less digits than its factorization.

3981027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327012.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3981027 is about 1995.2511120157. The cubic root of 3981027 is about 158.4887259908.

The spelling of 3981027 in words is "three million, nine hundred eighty-one thousand, twenty-seven".