3801378 has 32 divisors (see below), whose sum is σ = 8991360. Its totient is φ = 1048320.

The previous prime is 3801377. The next prime is 3801403. The reversal of 3801378 is 8731083.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3801373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (280980).

Almost surely, 2^3801378 is an apocalyptic number.

3801378 is an abundant number, since it is smaller than the sum of its proper divisors (5189982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3801378 is a wasteful number, since it uses less digits than its factorization.

3801378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 3801378 is about 1949.7122864669. The cubic root of 3801378 is about 156.0679355653.

The spelling of 3801378 in words is "three million, eight hundred one thousand, three hundred seventy-eight".