3743381 has 2 divisors, whose sum is σ = 3743382. Its totient is φ = 3743380.

The previous prime is 3743371. The next prime is 3743393. The reversal of 3743381 is 1833473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3740356 + 3025 = 1934^2 + 55^2 .

It is an emirp because it is prime and its reverse (1833473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3743381 - 2⁶ = 3743317 is a prime.

It is a super-2 number, since 2×3743381² = 28025802622322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3743321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871690 + 1871691.

It is an arithmetic number, because the mean of its divisors is an integer number (1871691).

Almost surely, 2^3743381 is an apocalyptic number.

It is an amenable number.

3743381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3743381 is an equidigital number, since it uses as much as digits as its factorization.

3743381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 3743381 is about 1934.7818998533. The cubic root of 3743381 is about 155.2701635892.

The spelling of 3743381 in words is "three million, seven hundred forty-three thousand, three hundred eighty-one".