378806650 has 12 divisors (see below), whose sum is σ = 704580462. Its totient is φ = 151522640.

The previous prime is 378806633. The next prime is 378806657. The reversal of 378806650 is 56608873.

378806650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 167365969 + 211440681 = 12937^2 + 14541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378806597 and 378806606.

It is not an unprimeable number, because it can be changed into a prime (378806657) 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 5 ways as a sum of consecutive naturals, for example, 3788017 + ... + 3788116.

Almost surely, 2^378806650 is an apocalyptic number.

378806650 is a deficient number, since it is larger than the sum of its proper divisors (325773812).

378806650 is a wasteful number, since it uses less digits than its factorization.

378806650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576145 (or 7576140 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 378806650 is about 19462.9558392347. The cubic root of 378806650 is about 723.5566369154.

It can be divided in two parts, 378806 and 650, that added together give a square (379456 = 616²).

The spelling of 378806650 in words is "three hundred seventy-eight million, eight hundred six thousand, six hundred fifty".