378004 has 24 divisors (see below), whose sum is σ = 737856. Its totient is φ = 169400.

The previous prime is 377999. The next prime is 378011. The reversal of 378004 is 400873.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

378004 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (30744).

2³⁷⁸⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

378004 is a deficient number, since it is larger than the sum of its proper divisors (359852).

378004 is a wasteful number, since it uses less digits than its factorization.

378004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 378004 is about 614.8202989492. The cubic root of 378004 is about 72.3045229659.

Adding to 378004 its reverse (400873), we get a palindrome (778877).

The spelling of 378004 in words is "three hundred seventy-eight thousand, four".