3786378 has 16 divisors (see below), whose sum is σ = 7633920. Its totient is φ = 1251936.

The previous prime is 3786353. The next prime is 3786397. The reversal of 3786378 is 8736873.

It is a happy number.

3786378 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 3⁷ + 7 + 8³ + 6⁸ + 3⁸ + 7³ + 8⁷ .

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 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (477120).

Almost surely, 2^3786378 is an apocalyptic number.

3786378 is an abundant number, since it is smaller than the sum of its proper divisors (3847542).

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

3786378 is a wasteful number, since it uses less digits than its factorization.

3786378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101.

The product of its digits is 169344, while the sum is 42.

The square root of 3786378 is about 1945.8617628187. The cubic root of 3786378 is about 155.8623868605.

The spelling of 3786378 in words is "three million, seven hundred eighty-six thousand, three hundred seventy-eight".