378555392 has 44 divisors (see below), whose sum is σ = 796610520. Its totient is φ = 179306496.

The previous prime is 378555391. The next prime is 378555403. The reversal of 378555392 is 293555873.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (378555391) 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, 9728 + ... + 29184.

Almost surely, 2^378555392 is an apocalyptic number.

378555392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is a pronic number, being equal to 19456×19457.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378555392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398305260).

378555392 is an abundant number, since it is smaller than the sum of its proper divisors (418055128).

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

378555392 is a wasteful number, since it uses less digits than its factorization.

378555392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496 (or 19478 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 47.

The square root of 378555392 is about 19456.4999935754. The cubic root of 378555392 is about 723.3966259939.

The spelling of 378555392 in words is "three hundred seventy-eight million, five hundred fifty-five thousand, three hundred ninety-two".