378803 has 4 divisors (see below), whose sum is σ = 398760. Its totient is φ = 358848.

The previous prime is 378793. The next prime is 378809. The reversal of 378803 is 308873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308873 = 17 ⋅18169.

It is a cyclic number.

It is not a de Polignac number, because 378803 - 2⁶ = 378739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9950 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (99690).

2³⁷⁸⁸⁰³ is an apocalyptic number.

378803 is a deficient number, since it is larger than the sum of its proper divisors (19957).

378803 is a wasteful number, since it uses less digits than its factorization.

378803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19956.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 378803 is about 615.4697393049. The cubic root of 378803 is about 72.3554312959.

The spelling of 378803 in words is "three hundred seventy-eight thousand, eight hundred three".