503478 has 24 divisors (see below), whose sum is σ = 1107288. Its totient is φ = 165312.

The previous prime is 503453. The next prime is 503483. The reversal of 503478 is 874305.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (46137).

2⁵⁰³⁴⁷⁸ is an apocalyptic number.

503478 is an abundant number, since it is smaller than the sum of its proper divisors (603810).

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

503478 is a wasteful number, since it uses less digits than its factorization.

503478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

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

The square root of 503478 is about 709.5618366288. The cubic root of 503478 is about 79.5536602246.

The spelling of 503478 in words is "five hundred three thousand, four hundred seventy-eight".