507478 has 8 divisors (see below), whose sum is σ = 770040. Its totient is φ = 250800.

The previous prime is 507461. The next prime is 507491. The reversal of 507478 is 874705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1248 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (96255).

2⁵⁰⁷⁴⁷⁸ is an apocalyptic number.

507478 is a deficient number, since it is larger than the sum of its proper divisors (262562).

507478 is a wasteful number, since it uses less digits than its factorization.

507478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 507478 is about 712.3749012985. The cubic root of 507478 is about 79.7637823685.

The spelling of 507478 in words is "five hundred seven thousand, four hundred seventy-eight".