3973938 has 8 divisors (see below), whose sum is σ = 7947888. Its totient is φ = 1324644.

The previous prime is 3973933. The next prime is 3973943. The reversal of 3973938 is 8393793.

It is a happy number.

3973938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3973933) and next prime (3973943).

It is a sphenic number, since it is the product of 3 distinct primes.

3973938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3973938.

It is not an unprimeable number, because it can be changed into a prime (3973933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 331156 + ... + 331167.

It is an arithmetic number, because the mean of its divisors is an integer number (993486).

Almost surely, 2^3973938 is an apocalyptic number.

3973938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3973938 is a wasteful number, since it uses less digits than its factorization.

3973938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662328.

The product of its digits is 122472, while the sum is 42.

The square root of 3973938 is about 1993.4738523492. The cubic root of 3973938 is about 158.3945966680.

The spelling of 3973938 in words is "three million, nine hundred seventy-three thousand, nine hundred thirty-eight".