378843 has 8 divisors (see below), whose sum is σ = 518928. Its totient is φ = 245664.

The previous prime is 378823. The next prime is 378869. The reversal of 378843 is 348873.

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

It is not a de Polignac number, because 378843 - 2⁶ = 378779 is a prime.

It is a super-3 number, since 3×378843³ = 163116936333129321, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (378823) 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 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (64866).

2³⁷⁸⁸⁴³ is an apocalyptic number.

378843 is a deficient number, since it is larger than the sum of its proper divisors (140085).

378843 is a wasteful number, since it uses less digits than its factorization.

378843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its digits is 16128, while the sum is 33.

The square root of 378843 is about 615.5022339521. The cubic root of 378843 is about 72.3579780158.

It can be divided in two parts, 378 and 843, that added together give a palindrome (1221).

The spelling of 378843 in words is "three hundred seventy-eight thousand, eight hundred forty-three".