503870685 has 16 divisors (see below), whose sum is σ = 806863680. Its totient is φ = 268507520.

The previous prime is 503870681. The next prime is 503870711. The reversal of 503870685 is 586078305.

It is not a de Polignac number, because 503870685 - 2² = 503870681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503870681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545 + ... + 32225.

It is an arithmetic number, because the mean of its divisors is an integer number (50428980).

Almost surely, 2^503870685 is an apocalyptic number.

It is an amenable number.

503870685 is a deficient number, since it is larger than the sum of its proper divisors (302992995).

503870685 is a wasteful number, since it uses less digits than its factorization.

503870685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 503870685 is about 22447.0640619213. The cubic root of 503870685 is about 795.7433733522.

The spelling of 503870685 in words is "five hundred three million, eight hundred seventy thousand, six hundred eighty-five".