378362018 has 8 divisors (see below), whose sum is σ = 578251548. Its totient is φ = 185611504.

The previous prime is 378361961. The next prime is 378362021. The reversal of 378362018 is 810263873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 372374209 + 5987809 = 19297^2 + 2447^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1784621 + ... + 1784832.

Almost surely, 2^378362018 is an apocalyptic number.

378362018 is a deficient number, since it is larger than the sum of its proper divisors (199889530).

378362018 is a wasteful number, since it uses less digits than its factorization.

378362018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569508.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 378362018 is about 19451.5299655323. The cubic root of 378362018 is about 723.2734296464.

The spelling of 378362018 in words is "three hundred seventy-eight million, three hundred sixty-two thousand, eighteen".