503378 has 16 divisors (see below), whose sum is σ = 815616. Its totient is φ = 232320.

The previous prime is 503369. The next prime is 503381. The reversal of 503378 is 873305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1250 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (50976).

2⁵⁰³³⁷⁸ is an apocalyptic number.

503378 is a deficient number, since it is larger than the sum of its proper divisors (312238).

503378 is a wasteful number, since it uses less digits than its factorization.

503378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 503378 is about 709.4913671075. The cubic root of 503378 is about 79.5483929354.

The spelling of 503378 in words is "five hundred three thousand, three hundred seventy-eight".