3778841 has 4 divisors (see below), whose sum is σ = 4122384. Its totient is φ = 3435300.

The previous prime is 3778837. The next prime is 3778861. The reversal of 3778841 is 1488773.

3778841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3778841 - 2² = 3778837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3778795 and 3778804.

It is not an unprimeable number, because it can be changed into a prime (3778861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171755 + ... + 171776.

It is an arithmetic number, because the mean of its divisors is an integer number (1030596).

Almost surely, 2^3778841 is an apocalyptic number.

It is an amenable number.

3778841 is a deficient number, since it is larger than the sum of its proper divisors (343543).

3778841 is a wasteful number, since it uses less digits than its factorization.

3778841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343542.

The product of its digits is 37632, while the sum is 38.

The square root of 3778841 is about 1943.9241240337. The cubic root of 3778841 is about 155.7589005268.

The spelling of 3778841 in words is "three million, seven hundred seventy-eight thousand, eight hundred forty-one".