378039 has 4 divisors (see below), whose sum is σ = 504056. Its totient is φ = 252024.

The previous prime is 378023. The next prime is 378041. The reversal of 378039 is 930873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930873 = 3 ⋅310291.

It is not a de Polignac number, because 378039 - 2⁴ = 378023 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 377997 and 378015.

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 378039.

It is not an unprimeable number, because it can be changed into a prime (378019) 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 3 ways as a sum of consecutive naturals, for example, 63004 + ... + 63009.

It is an arithmetic number, because the mean of its divisors is an integer number (126014).

2³⁷⁸⁰³⁹ is an apocalyptic number.

378039 is a deficient number, since it is larger than the sum of its proper divisors (126017).

378039 is a wasteful number, since it uses less digits than its factorization.

378039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126016.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 378039 is about 614.8487618919. The cubic root of 378039 is about 72.3067544945.

The spelling of 378039 in words is "three hundred seventy-eight thousand, thirty-nine".