378833306 has 32 divisors (see below), whose sum is σ = 597255120. Its totient is φ = 180043776.

The previous prime is 378833297. The next prime is 378833309. The reversal of 378833306 is 603338873.

It can be written as a sum of positive squares in 8 ways, for example, as 224850025 + 153983281 = 14995^2 + 12409^2 .

It is not an unprimeable number, because it can be changed into a prime (378833309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 638546 + ... + 639138.

Almost surely, 2^378833306 is an apocalyptic number.

378833306 is a deficient number, since it is larger than the sum of its proper divisors (218421814).

378833306 is a wasteful number, since it uses less digits than its factorization.

378833306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 378833306 is about 19463.6406152600. The cubic root of 378833306 is about 723.5736083469.

The spelling of 378833306 in words is "three hundred seventy-eight million, eight hundred thirty-three thousand, three hundred six".