3778388 has 12 divisors (see below), whose sum is σ = 6626592. Its totient is φ = 1885080.

The previous prime is 3778343. The next prime is 3778391. The reversal of 3778388 is 8838773.

3778388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081 + ... + 3447.

It is an arithmetic number, because the mean of its divisors is an integer number (552216).

Almost surely, 2^3778388 is an apocalyptic number.

It is an amenable number.

3778388 is a deficient number, since it is larger than the sum of its proper divisors (2848204).

3778388 is a wasteful number, since it uses less digits than its factorization.

3778388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2060 counting only the distinct ones).

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

The square root of 3778388 is about 1943.8076036481. The cubic root of 3778388 is about 155.7526762549.

The spelling of 3778388 in words is "three million, seven hundred seventy-eight thousand, three hundred eighty-eight".