3937942 has 8 divisors (see below), whose sum is σ = 6032736. Its totient is φ = 1927032.

The previous prime is 3937919. The next prime is 3937943. The reversal of 3937942 is 2497393.

3937942 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937943) 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, 20853 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (754092).

Almost surely, 2^3937942 is an apocalyptic number.

3937942 is a deficient number, since it is larger than the sum of its proper divisors (2094794).

3937942 is a wasteful number, since it uses less digits than its factorization.

3937942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41942.

The product of its digits is 40824, while the sum is 37.

The square root of 3937942 is about 1984.4248537045. The cubic root of 3937942 is about 157.9148983572.

The spelling of 3937942 in words is "three million, nine hundred thirty-seven thousand, nine hundred forty-two".