378790 has 8 divisors (see below), whose sum is σ = 681840. Its totient is φ = 151512.

The previous prime is 378779. The next prime is 378793. The reversal of 378790 is 97873.

378790 = 128² + 129² + ... + 147².

378790 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378790.

It is not an unprimeable number, because it can be changed into a prime (378793) by changing a digit.

378790 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 18930 + ... + 18949.

It is an arithmetic number, because the mean of its divisors is an integer number (85230).

2³⁷⁸⁷⁹⁰ is an apocalyptic number.

378790 is a deficient number, since it is larger than the sum of its proper divisors (303050).

378790 is a wasteful number, since it uses less digits than its factorization.

378790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37886.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 378790 is about 615.4591781751. The cubic root of 378790 is about 72.3546035734.

The spelling of 378790 in words is "three hundred seventy-eight thousand, seven hundred ninety".