378603 has 24 divisors (see below), whose sum is σ = 599040. Its totient is φ = 229680.

The previous prime is 378601. The next prime is 378619. The reversal of 378603 is 306873.

It is a happy number.

It is not a de Polignac number, because 378603 - 2¹ = 378601 is a prime.

378603 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (378601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6388 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (24960).

2³⁷⁸⁶⁰³ is an apocalyptic number.

378603 is a deficient number, since it is larger than the sum of its proper divisors (220437).

378603 is a wasteful number, since it uses less digits than its factorization.

378603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 378603 is about 615.3072403280. The cubic root of 378603 is about 72.3426950066.

It can be divided in two parts, 3 and 78603, that added together give a triangular number (78606 = T₃₉₆).

The spelling of 378603 in words is "three hundred seventy-eight thousand, six hundred three".