3902378 has 8 divisors (see below), whose sum is σ = 5952960. Its totient is φ = 1918060.

The previous prime is 3902377. The next prime is 3902399. The reversal of 3902378 is 8732093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3902377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16418 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (744120).

Almost surely, 2^3902378 is an apocalyptic number.

3902378 is a deficient number, since it is larger than the sum of its proper divisors (2050582).

3902378 is a wasteful number, since it uses less digits than its factorization.

3902378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33132.

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

The square root of 3902378 is about 1975.4437476172. The cubic root of 3902378 is about 157.4380776147.

The spelling of 3902378 in words is "three million, nine hundred two thousand, three hundred seventy-eight".