497917685 has 16 divisors (see below), whose sum is σ = 633709440. Its totient is φ = 374763840.

The previous prime is 497917643. The next prime is 497917703. The reversal of 497917685 is 586719794.

It is not a de Polignac number, because 497917685 - 2⁸ = 497917429 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 497917685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28475 + ... + 42504.

It is an arithmetic number, because the mean of its divisors is an integer number (39606840).

Almost surely, 2^497917685 is an apocalyptic number.

It is an amenable number.

497917685 is a deficient number, since it is larger than the sum of its proper divisors (135791755).

497917685 is a wasteful number, since it uses less digits than its factorization.

497917685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71068.

The product of its digits is 3810240, while the sum is 56.

The square root of 497917685 is about 22314.0692165279. The cubic root of 497917685 is about 792.5971698664.

The spelling of 497917685 in words is "four hundred ninety-seven million, nine hundred seventeen thousand, six hundred eighty-five".