3778768 has 20 divisors (see below), whose sum is σ = 8367520. Its totient is φ = 1619424.

The previous prime is 3778759. The next prime is 3778769. The reversal of 3778768 is 8678773.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16758 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (418376).

Almost surely, 2^3778768 is an apocalyptic number.

It is an amenable number.

3778768 is an abundant number, since it is smaller than the sum of its proper divisors (4588752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3778768 is a wasteful number, since it uses less digits than its factorization.

3778768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33754 (or 33748 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The square root of 3778768 is about 1943.9053474899. The cubic root of 3778768 is about 155.7578975321.

The spelling of 3778768 in words is "three million, seven hundred seventy-eight thousand, seven hundred sixty-eight".