378915372 has 108 divisors (see below), whose sum is σ = 1081717728. Its totient is φ = 111672000.

The previous prime is 378915371. The next prime is 378915377. The reversal of 378915372 is 273519873.

It is a happy number.

378915372 is a `hidden beast` number, since 37 + 89 + 1 + 537 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (378915371) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 159997 + ... + 162347.

Almost surely, 2^378915372 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 378915372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540858864).

378915372 is an abundant number, since it is smaller than the sum of its proper divisors (702802356).

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

378915372 is a wasteful number, since it uses less digits than its factorization.

378915372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2404 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 378915372 is about 19465.7486884014. The cubic root of 378915372 is about 723.6258534051.

The spelling of 378915372 in words is "three hundred seventy-eight million, nine hundred fifteen thousand, three hundred seventy-two".