378618 has 8 divisors (see below), whose sum is σ = 757248. Its totient is φ = 126204.

The previous prime is 378601. The next prime is 378619. The reversal of 378618 is 816873.

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

378618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (378619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31546 + ... + 31557.

It is an arithmetic number, because the mean of its divisors is an integer number (94656).

2³⁷⁸⁶¹⁸ is an apocalyptic number.

378618 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.

378618 is a wasteful number, since it uses less digits than its factorization.

378618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63108.

The product of its digits is 8064, while the sum is 33.

The square root of 378618 is about 615.3194292398. The cubic root of 378618 is about 72.3436503839.

The spelling of 378618 in words is "three hundred seventy-eight thousand, six hundred eighteen".