378105 has 32 divisors (see below), whose sum is σ = 747264. Its totient is φ = 158976.

The previous prime is 378101. The next prime is 378127. The reversal of 378105 is 501873.

It is not a de Polignac number, because 378105 - 2² = 378101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1227 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (23352).

2³⁷⁸¹⁰⁵ is an apocalyptic number.

378105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378105 is a deficient number, since it is larger than the sum of its proper divisors (369159).

378105 is a wasteful number, since it uses less digits than its factorization.

378105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 378105 is about 614.9024312848. The cubic root of 378105 is about 72.3109621451.

Adding to 378105 its reverse (501873), we get a palindrome (879978).

The spelling of 378105 in words is "three hundred seventy-eight thousand, one hundred five".