3778343 has 2 divisors, whose sum is σ = 3778344. Its totient is φ = 3778342.

The previous prime is 3778319. The next prime is 3778391. The reversal of 3778343 is 3438773.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3778343 - 2⁸ = 3778087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3778043) 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 as a sum of consecutive naturals, namely, 1889171 + 1889172.

It is an arithmetic number, because the mean of its divisors is an integer number (1889172).

Almost surely, 2^3778343 is an apocalyptic number.

3778343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3778343 is an equidigital number, since it uses as much as digits as its factorization.

3778343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 3778343 is about 1943.7960283939. The cubic root of 3778343 is about 155.7520579226.

The spelling of 3778343 in words is "three million, seven hundred seventy-eight thousand, three hundred forty-three".