3920378 has 16 divisors (see below), whose sum is σ = 7331904. Its totient is φ = 1527360.

The previous prime is 3920377. The next prime is 3920383. The reversal of 3920378 is 8730293.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12575 + ... + 12882.

It is an arithmetic number, because the mean of its divisors is an integer number (458244).

Almost surely, 2^3920378 is an apocalyptic number.

3920378 is a deficient number, since it is larger than the sum of its proper divisors (3411526).

3920378 is a wasteful number, since it uses less digits than its factorization.

3920378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3920378 is about 1979.9944444367. The cubic root of 3920378 is about 157.6797712147.

The spelling of 3920378 in words is "three million, nine hundred twenty thousand, three hundred seventy-eight".