3778838 has 16 divisors (see below), whose sum is σ = 6687744. Its totient is φ = 1567080.

The previous prime is 3778837. The next prime is 3778861. The reversal of 3778838 is 8388773.

3778838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778837) 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 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (417984).

Almost surely, 2^3778838 is an apocalyptic number.

3778838 is a deficient number, since it is larger than the sum of its proper divisors (2908906).

3778838 is a wasteful number, since it uses less digits than its factorization.

3778838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its digits is 225792, while the sum is 44.

The square root of 3778838 is about 1943.9233523984. The cubic root of 3778838 is about 155.7588593081.

The spelling of 3778838 in words is "three million, seven hundred seventy-eight thousand, eight hundred thirty-eight".