3981073 has 4 divisors (see below), whose sum is σ = 4040560. Its totient is φ = 3921588.

The previous prime is 3981071. The next prime is 3981097. The reversal of 3981073 is 3701893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3981073 - 2¹ = 3981071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29643 + ... + 29776.

It is an arithmetic number, because the mean of its divisors is an integer number (1010140).

Almost surely, 2^3981073 is an apocalyptic number.

It is an amenable number.

3981073 is a deficient number, since it is larger than the sum of its proper divisors (59487).

3981073 is an equidigital number, since it uses as much as digits as its factorization.

3981073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59486.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3981073 is about 1995.2626393535. The cubic root of 3981073 is about 158.4893364240.

The spelling of 3981073 in words is "three million, nine hundred eighty-one thousand, seventy-three".