3983381 has 2 divisors, whose sum is σ = 3983382. Its totient is φ = 3983380.

The previous prime is 3983377. The next prime is 3983387. The reversal of 3983381 is 1833893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 707281 = 1810^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 3983381 - 2² = 3983377 is a prime.

It is a super-2 number, since 2×3983381² = 31734648382322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3983387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1991690 + 1991691.

It is an arithmetic number, because the mean of its divisors is an integer number (1991691).

Almost surely, 2^3983381 is an apocalyptic number.

It is an amenable number.

3983381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3983381 is an equidigital number, since it uses as much as digits as its factorization.

3983381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 3983381 is about 1995.8409255249. The cubic root of 3983381 is about 158.5199582122.

The spelling of 3983381 in words is "three million, nine hundred eighty-three thousand, three hundred eighty-one".