378784274 has 8 divisors (see below), whose sum is σ = 619828848. Its totient is φ = 172174660.

The previous prime is 378784271. The next prime is 378784277. The reversal of 378784274 is 472487873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (378784271) and next prime (378784277).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (378784271) 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 3 ways as a sum of consecutive naturals, for example, 8608712 + ... + 8608755.

It is an arithmetic number, because the mean of its divisors is an integer number (77478606).

Almost surely, 2^378784274 is an apocalyptic number.

378784274 is a deficient number, since it is larger than the sum of its proper divisors (241044574).

378784274 is a wasteful number, since it uses less digits than its factorization.

378784274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17217480.

The product of its digits is 2107392, while the sum is 50.

The square root of 378784274 is about 19462.3809951403. The cubic root of 378784274 is about 723.5423898740.

The spelling of 378784274 in words is "three hundred seventy-eight million, seven hundred eighty-four thousand, two hundred seventy-four".