378574850 has 48 divisors (see below), whose sum is σ = 717041160. Its totient is φ = 148684800.

The previous prime is 378574843. The next prime is 378574891. The reversal of 378574850 is 58475873.

It is a happy number.

378574850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 19457²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 10817521 + 367757329 = 3289^2 + 19177^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 378574795 and 378574804.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072274 + ... + 1072626.

Almost surely, 2^378574850 is an apocalyptic number.

378574850 is a deficient number, since it is larger than the sum of its proper divisors (338466310).

378574850 is a wasteful number, since it uses less digits than its factorization.

378574850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 378574850 is about 19457.0000256977. Note that the first 4 decimals coincide. The cubic root of 378574850 is about 723.4090201381.

The spelling of 378574850 in words is "three hundred seventy-eight million, five hundred seventy-four thousand, eight hundred fifty".