504378 has 24 divisors (see below), whose sum is σ = 1249248. Its totient is φ = 144072.

The previous prime is 504377. The next prime is 504379. The reversal of 504378 is 873405.

It is an interprime number because it is at equal distance from previous prime (504377) and next prime (504379).

It is not an unprimeable number, because it can be changed into a prime (504377) 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, 1876 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (52052).

504378 is a Friedman number, since it can be written as 807*5^4+3, using all its digits and the basic arithmetic operations.

2⁵⁰⁴³⁷⁸ is an apocalyptic number.

504378 is an abundant number, since it is smaller than the sum of its proper divisors (744870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504378 is a wasteful number, since it uses less digits than its factorization.

504378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 504378 is about 710.1957476640. The cubic root of 504378 is about 79.6010344722.

Adding to 504378 its sum of digits (27), we get a palindrome (504405).

The spelling of 504378 in words is "five hundred four thousand, three hundred seventy-eight".