378799 has 4 divisors (see below), whose sum is σ = 388080. Its totient is φ = 369520.

The previous prime is 378793. The next prime is 378809. The reversal of 378799 is 997873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997873 = 367 ⋅2719.

It is a cyclic number.

It is not a de Polignac number, because 378799 - 2⁷ = 378671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378793) 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, 4579 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2³⁷⁸⁷⁹⁹ is an apocalyptic number.

378799 is a deficient number, since it is larger than the sum of its proper divisors (9281).

378799 is an equidigital number, since it uses as much as digits as its factorization.

378799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280.

The product of its digits is 95256, while the sum is 43.

The square root of 378799 is about 615.4664897458. The cubic root of 378799 is about 72.3551766141.

It can be divided in two parts, 37 and 8799, that added together give a square (8836 = 94²).

The spelling of 378799 in words is "three hundred seventy-eight thousand, seven hundred ninety-nine".