3964378 has 16 divisors (see below), whose sum is σ = 6572160. Its totient is φ = 1778400.

The previous prime is 3964357. The next prime is 3964381. The reversal of 3964378 is 8734693.

It is a self number, because there is not a number n which added to its sum of digits gives 3964378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598 + ... + 2878.

It is an arithmetic number, because the mean of its divisors is an integer number (410760).

Almost surely, 2^3964378 is an apocalyptic number.

3964378 is a deficient number, since it is larger than the sum of its proper divisors (2607782).

3964378 is a wasteful number, since it uses less digits than its factorization.

3964378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its digits is 108864, while the sum is 40.

The square root of 3964378 is about 1991.0745842384. The cubic root of 3964378 is about 158.2674794160.

It can be divided in two parts, 396 and 4378, that added together give a palindrome (4774).

The spelling of 3964378 in words is "three million, nine hundred sixty-four thousand, three hundred seventy-eight".