378813394 has 8 divisors (see below), whose sum is σ = 577851120. Its totient is φ = 186196356.

The previous prime is 378813389. The next prime is 378813439. The reversal of 378813394 is 493318873.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605024 + ... + 1605259.

It is an arithmetic number, because the mean of its divisors is an integer number (72231390).

Almost surely, 2^378813394 is an apocalyptic number.

378813394 is a deficient number, since it is larger than the sum of its proper divisors (199037726).

378813394 is a wasteful number, since it uses less digits than its factorization.

378813394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210344.

The product of its digits is 435456, while the sum is 46.

The square root of 378813394 is about 19463.1290906678. The cubic root of 378813394 is about 723.5609307832.

The spelling of 378813394 in words is "three hundred seventy-eight million, eight hundred thirteen thousand, three hundred ninety-four".