378223760 has 20 divisors (see below), whose sum is σ = 879370428. Its totient is φ = 151289472.

The previous prime is 378223751. The next prime is 378223763. The reversal of 378223760 is 67322873.

It can be written as a sum of positive squares in 2 ways, for example, as 297079696 + 81144064 = 17236^2 + 9008^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (378223763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2363819 + ... + 2363978.

Almost surely, 2^378223760 is an apocalyptic number.

It is an amenable number.

378223760 is an abundant number, since it is smaller than the sum of its proper divisors (501146668).

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

378223760 is a wasteful number, since it uses less digits than its factorization.

378223760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727810 (or 4727804 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 378223760 is about 19447.9757301371. The cubic root of 378223760 is about 723.1853213306.

The spelling of 378223760 in words is "three hundred seventy-eight million, two hundred twenty-three thousand, seven hundred sixty".