378336618 has 96 divisors (see below), whose sum is σ = 940560192. Its totient is φ = 108864000.

The previous prime is 378336593. The next prime is 378336667. The reversal of 378336618 is 816633873.

378336618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314418 + ... + 315618.

It is an arithmetic number, because the mean of its divisors is an integer number (9797502).

Almost surely, 2^378336618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378336618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470280096).

378336618 is an abundant number, since it is smaller than the sum of its proper divisors (562223574).

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

378336618 is a wasteful number, since it uses less digits than its factorization.

378336618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1297 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 378336618 is about 19450.8770496345. The cubic root of 378336618 is about 723.2572444804.

It can be divided in two parts, 3783 and 36618, that added together give a square (40401 = 201²).

The spelling of 378336618 in words is "three hundred seventy-eight million, three hundred thirty-six thousand, six hundred eighteen".