3878788 has 12 divisors (see below), whose sum is σ = 7187292. Its totient is φ = 1825280.

The previous prime is 3878783. The next prime is 3878843. The reversal of 3878788 is 8878783.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 1592644 = 1512^2 + 1262^2 .

It is not an unprimeable number, because it can be changed into a prime (3878783) 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, 28453 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (598941).

Almost surely, 2^3878788 is an apocalyptic number.

It is an amenable number.

3878788 is a deficient number, since it is larger than the sum of its proper divisors (3308504).

3878788 is a wasteful number, since it uses less digits than its factorization.

3878788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57062 (or 57060 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The square root of 3878788 is about 1969.4638864422. The cubic root of 3878788 is about 157.1201968112.

The spelling of 3878788 in words is "three million, eight hundred seventy-eight thousand, seven hundred eighty-eight".