3936478 has 32 divisors (see below), whose sum is σ = 7451136. Its totient is φ = 1518048.

The previous prime is 3936463. The next prime is 3936481. The reversal of 3936478 is 8746393.

3936478 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 3¹¹ + 9⁵ + 3¹³ + 6⁵ + 4⁵ + 7 + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3936478.

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 15 ways as a sum of consecutive naturals, for example, 7575 + ... + 8077.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

Almost surely, 2^3936478 is an apocalyptic number.

3936478 is a deficient number, since it is larger than the sum of its proper divisors (3514658).

3936478 is a wasteful number, since it uses less digits than its factorization.

3936478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

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

The square root of 3936478 is about 1984.0559467918. The cubic root of 3936478 is about 157.8953267073.

The spelling of 3936478 in words is "three million, nine hundred thirty-six thousand, four hundred seventy-eight".