378523306 has 16 divisors (see below), whose sum is σ = 650764800. Its totient is φ = 161757360.

The previous prime is 378523261. The next prime is 378523333. The reversal of 378523306 is 603325873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33850 + ... + 43621.

It is an arithmetic number, because the mean of its divisors is an integer number (40672800).

Almost surely, 2^378523306 is an apocalyptic number.

378523306 is a deficient number, since it is larger than the sum of its proper divisors (272241494).

378523306 is a wasteful number, since it uses less digits than its factorization.

378523306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77829.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 378523306 is about 19455.6754187563. The cubic root of 378523306 is about 723.3761872766.

The spelling of 378523306 in words is "three hundred seventy-eight million, five hundred twenty-three thousand, three hundred six".