378825 has 12 divisors (see below), whose sum is σ = 626448. Its totient is φ = 202000.

The previous prime is 378823. The next prime is 378869. The reversal of 378825 is 528873.

It is not a de Polignac number, because 378825 - 2¹ = 378823 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (378821) 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 11 ways as a sum of consecutive naturals, for example, 2451 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (52204).

2³⁷⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

378825 is a deficient number, since it is larger than the sum of its proper divisors (247623).

378825 is a wasteful number, since it uses less digits than its factorization.

378825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5059 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 378825 is about 615.4876115731. The cubic root of 378825 is about 72.3568320140.

The spelling of 378825 in words is "three hundred seventy-eight thousand, eight hundred twenty-five".