378517328 has 20 divisors (see below), whose sum is σ = 838145760. Its totient is φ = 162221664.

The previous prime is 378517319. The next prime is 378517333. The reversal of 378517328 is 823715873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689698 + ... + 1689921.

It is an arithmetic number, because the mean of its divisors is an integer number (41907288).

Almost surely, 2^378517328 is an apocalyptic number.

It is an amenable number.

378517328 is an abundant number, since it is smaller than the sum of its proper divisors (459628432).

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

378517328 is a wasteful number, since it uses less digits than its factorization.

378517328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379634 (or 3379628 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 378517328 is about 19455.5217868861. The cubic root of 378517328 is about 723.3723791750.

The spelling of 378517328 in words is "three hundred seventy-eight million, five hundred seventeen thousand, three hundred twenty-eight".