378681682 has 8 divisors (see below), whose sum is σ = 569033136. Its totient is φ = 189003972.

The previous prime is 378681671. The next prime is 378681691. The reversal of 378681682 is 286186873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167028 + ... + 169279.

It is an arithmetic number, because the mean of its divisors is an integer number (71129142).

Almost surely, 2^378681682 is an apocalyptic number.

378681682 is a deficient number, since it is larger than the sum of its proper divisors (190351454).

378681682 is a wasteful number, since it uses less digits than its factorization.

378681682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336872.

The product of its digits is 774144, while the sum is 49.

The square root of 378681682 is about 19459.7451679101. The cubic root of 378681682 is about 723.4770612524.

The spelling of 378681682 in words is "three hundred seventy-eight million, six hundred eighty-one thousand, six hundred eighty-two".