378267438 has 8 divisors (see below), whose sum is σ = 756534888. Its totient is φ = 126089144.

The previous prime is 378267403. The next prime is 378267443. The reversal of 378267438 is 834762873.

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

378267438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31522281 + ... + 31522292.

It is an arithmetic number, because the mean of its divisors is an integer number (94566861).

Almost surely, 2^378267438 is an apocalyptic number.

378267438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378267438 is a wasteful number, since it uses less digits than its factorization.

378267438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63044578.

The product of its digits is 1354752, while the sum is 48.

The square root of 378267438 is about 19449.0986423536. The cubic root of 378267438 is about 723.2131585317.

The spelling of 378267438 in words is "three hundred seventy-eight million, two hundred sixty-seven thousand, four hundred thirty-eight".