3681078 has 32 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1142400.

The previous prime is 3681059. The next prime is 3681113. The reversal of 3681078 is 8701863.

3681078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15283 + ... + 15521.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 2^3681078 is an apocalyptic number.

3681078 is an abundant number, since it is smaller than the sum of its proper divisors (4198602).

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

3681078 is a wasteful number, since it uses less digits than its factorization.

3681078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 3681078 is about 1918.6135619243. The cubic root of 3681078 is about 154.4039264038.

The spelling of 3681078 in words is "three million, six hundred eighty-one thousand, seventy-eight".