378656336 has 20 divisors (see below), whose sum is σ = 746083200. Its totient is φ = 186118752.

The previous prime is 378656321. The next prime is 378656357. The reversal of 378656336 is 633656873.

It is a congruent number.

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, 199616 + ... + 201503.

It is an arithmetic number, because the mean of its divisors is an integer number (37304160).

Almost surely, 2^378656336 is an apocalyptic number.

It is an amenable number.

378656336 is a deficient number, since it is larger than the sum of its proper divisors (367426864).

378656336 is a wasteful number, since it uses less digits than its factorization.

378656336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401186 (or 401180 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The square root of 378656336 is about 19459.0939151853. The cubic root of 378656336 is about 723.4609195873.

The spelling of 378656336 in words is "three hundred seventy-eight million, six hundred fifty-six thousand, three hundred thirty-six".