378345216 has 72 divisors (see below), whose sum is σ = 1050779520. Its totient is φ = 120626176.

The previous prime is 378345211. The next prime is 378345221. The reversal of 378345216 is 612543873.

It is an interprime number because it is at equal distance from previous prime (378345211) and next prime (378345221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378345211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (14594160).

Almost surely, 2^378345216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378345216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525389760).

378345216 is an abundant number, since it is smaller than the sum of its proper divisors (672434304).

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

378345216 is a wasteful number, since it uses less digits than its factorization.

378345216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21461 (or 21447 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 378345216 is about 19451.0980666902. The cubic root of 378345216 is about 723.2627233039.

The spelling of 378345216 in words is "three hundred seventy-eight million, three hundred forty-five thousand, two hundred sixteen".