378548656 has 40 divisors (see below), whose sum is σ = 780713424. Its totient is φ = 177192960.

The previous prime is 378548633. The next prime is 378548659. The reversal of 378548656 is 656845873.

It is not an unprimeable number, because it can be changed into a prime (378548659) 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, 48891 + ... + 56101.

Almost surely, 2^378548656 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 378548656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390356712).

378548656 is an abundant number, since it is smaller than the sum of its proper divisors (402164768).

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

378548656 is a wasteful number, since it uses less digits than its factorization.

378548656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429 (or 7423 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 378548656 is about 19456.3268887013. The cubic root of 378548656 is about 723.3923352713.

It can be divided in two parts, 3785 and 48656, that added together give a square (52441 = 229²).

The spelling of 378548656 in words is "three hundred seventy-eight million, five hundred forty-eight thousand, six hundred fifty-six".