3938957 has 8 divisors (see below), whose sum is σ = 4484160. Its totient is φ = 3424960.

The previous prime is 3938941. The next prime is 3938971. The reversal of 3938957 is 7598393.

3938957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3938957 - 2⁴ = 3938941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938927) 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 7 ways as a sum of consecutive naturals, for example, 7532 + ... + 8037.

It is an arithmetic number, because the mean of its divisors is an integer number (560520).

Almost surely, 2^3938957 is an apocalyptic number.

It is an amenable number.

3938957 is a deficient number, since it is larger than the sum of its proper divisors (545203).

3938957 is a wasteful number, since it uses less digits than its factorization.

3938957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603.

The product of its digits is 204120, while the sum is 44.

The square root of 3938957 is about 1984.6805788338. The cubic root of 3938957 is about 157.9284646526.

The spelling of 3938957 in words is "three million, nine hundred thirty-eight thousand, nine hundred fifty-seven".