3938492 has 18 divisors (see below), whose sum is σ = 7323792. Its totient is φ = 1852864.

The previous prime is 3938489. The next prime is 3938513. The reversal of 3938492 is 2948393.

3938492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 548 + ... + 2859.

Almost surely, 2^3938492 is an apocalyptic number.

It is an amenable number.

3938492 is a deficient number, since it is larger than the sum of its proper divisors (3385300).

3938492 is a wasteful number, since it uses less digits than its factorization.

3938492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3426 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 3938492 is about 1984.5634280617. The cubic root of 3938492 is about 157.9222498411.

Subtracting from 3938492 its reverse (2948393), we obtain a palindrome (990099).

It can be divided in two parts, 3938 and 492, that multiplied together give a triangular number (1937496 = T₁₉₆₈).

The spelling of 3938492 in words is "three million, nine hundred thirty-eight thousand, four hundred ninety-two".