3974438 has 16 divisors (see below), whose sum is σ = 6513696. Its totient is φ = 1807680.

The previous prime is 3974437. The next prime is 3974441. The reversal of 3974438 is 8344793.

3974438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁹ + 9³ + 7³ + 4³ + 4⁹ + 3¹³ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974437) 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, 770 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (407106).

Almost surely, 2^3974438 is an apocalyptic number.

3974438 is a deficient number, since it is larger than the sum of its proper divisors (2539258).

3974438 is a wasteful number, since it uses less digits than its factorization.

3974438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its digits is 72576, while the sum is 38.

The square root of 3974438 is about 1993.5992576243. The cubic root of 3974438 is about 158.4012394472.

The spelling of 3974438 in words is "three million, nine hundred seventy-four thousand, four hundred thirty-eight".