3937438 has 8 divisors (see below), whose sum is σ = 6253632. Its totient is φ = 1852896.

The previous prime is 3937411. The next prime is 3937469. The reversal of 3937438 is 8347393.

3937438 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 junction number, because it is equal to n+sod(n) for n = 3937397 and 3937406.

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 3 ways as a sum of consecutive naturals, for example, 57870 + ... + 57937.

It is an arithmetic number, because the mean of its divisors is an integer number (781704).

Almost surely, 2^3937438 is an apocalyptic number.

3937438 is a deficient number, since it is larger than the sum of its proper divisors (2316194).

3937438 is a wasteful number, since it uses less digits than its factorization.

3937438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115826.

The product of its digits is 54432, while the sum is 37.

The square root of 3937438 is about 1984.2978607054. The cubic root of 3937438 is about 157.9081611237.

The spelling of 3937438 in words is "three million, nine hundred thirty-seven thousand, four hundred thirty-eight".