3682778 has 32 divisors (see below), whose sum is σ = 6557760. Its totient is φ = 1532160.

The previous prime is 3682759. The next prime is 3682781. The reversal of 3682778 is 8772863.

3682778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 15968 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (204930).

Almost surely, 2^3682778 is an apocalyptic number.

3682778 is a deficient number, since it is larger than the sum of its proper divisors (2874982).

3682778 is a wasteful number, since it uses less digits than its factorization.

3682778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its digits is 112896, while the sum is 41.

The square root of 3682778 is about 1919.0565390316. The cubic root of 3682778 is about 154.4276917499.

The spelling of 3682778 in words is "three million, six hundred eighty-two thousand, seven hundred seventy-eight".