378683684 has 12 divisors (see below), whose sum is σ = 691509504. Its totient is φ = 181109544.

The previous prime is 378683651. The next prime is 378683713. The reversal of 378683684 is 486386873.

378683684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057972 + ... + 2058155.

It is an arithmetic number, because the mean of its divisors is an integer number (57625792).

Almost surely, 2^378683684 is an apocalyptic number.

It is an amenable number.

378683684 is a deficient number, since it is larger than the sum of its proper divisors (312825820).

378683684 is a wasteful number, since it uses less digits than its factorization.

378683684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116154 (or 4116152 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 378683684 is about 19459.7966073646. The cubic root of 378683684 is about 723.4783362006.

The spelling of 378683684 in words is "three hundred seventy-eight million, six hundred eighty-three thousand, six hundred eighty-four".