378494208 has 90 divisors (see below), whose sum is σ = 1128663074. Its totient is φ = 126157824.

The previous prime is 378494191. The next prime is 378494227. The reversal of 378494208 is 802494873.

It can be written as a sum of positive squares in only one way, i.e., 199148544 + 179345664 = 14112^2 + 13392^2 .

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 9 ways as a sum of consecutive naturals, for example, 11610 + ... + 29862.

Almost surely, 2^378494208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378494208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564331537).

378494208 is an abundant number, since it is smaller than the sum of its proper divisors (750168866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378494208 is an equidigital number, since it uses as much as digits as its factorization.

378494208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281 (or 18258 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 378494208 is about 19454.9276020241. The cubic root of 378494208 is about 723.3576509105.

The spelling of 378494208 in words is "three hundred seventy-eight million, four hundred ninety-four thousand, two hundred eight".