378788 has 12 divisors (see below), whose sum is σ = 667212. Its totient is φ = 188160.

The previous prime is 378779. The next prime is 378793. The reversal of 378788 is 887873.

378788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 200704 = 422^2 + 448^2 .

It is an unprimeable number.

378788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956 + ... + 1292.

It is an arithmetic number, because the mean of its divisors is an integer number (55601).

2³⁷⁸⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

378788 is a deficient number, since it is larger than the sum of its proper divisors (288424).

378788 is a wasteful number, since it uses less digits than its factorization.

378788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 378788 is about 615.4575533698. The cubic root of 378788 is about 72.3544762297.

The spelling of 378788 in words is "three hundred seventy-eight thousand, seven hundred eighty-eight".