3981303 has 6 divisors (see below), whose sum is σ = 5750784. Its totient is φ = 2654196.

The previous prime is 3981301. The next prime is 3981331. The reversal of 3981303 is 3031893.

It is not a de Polignac number, because 3981303 - 2¹ = 3981301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221175 + ... + 221192.

It is an arithmetic number, because the mean of its divisors is an integer number (958464).

Almost surely, 2^3981303 is an apocalyptic number.

3981303 is a deficient number, since it is larger than the sum of its proper divisors (1769481).

3981303 is a wasteful number, since it uses less digits than its factorization.

3981303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442373 (or 442370 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3981303 is about 1995.3202750436. The cubic root of 3981303 is about 158.4923885195.

The spelling of 3981303 in words is "three million, nine hundred eighty-one thousand, three hundred three".