3938768 has 10 divisors (see below), whose sum is σ = 7631394. Its totient is φ = 1969376.

The previous prime is 3938743. The next prime is 3938771. The reversal of 3938768 is 8678393.

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 283024 = 1912^2 + 532^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123071 + ... + 123102.

Almost surely, 2^3938768 is an apocalyptic number.

It is an amenable number.

3938768 is a deficient number, since it is larger than the sum of its proper divisors (3692626).

3938768 is a wasteful number, since it uses less digits than its factorization.

3938768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246181 (or 246175 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 3938768 is about 1984.6329635477. The cubic root of 3938768 is about 157.9259386914.

The spelling of 3938768 in words is "three million, nine hundred thirty-eight thousand, seven hundred sixty-eight".