497689808 has 40 divisors (see below), whose sum is σ = 1202214720. Its totient is φ = 193904640.

The previous prime is 497689799. The next prime is 497689811. The reversal of 497689808 is 808986794.

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 7 ways as a sum of consecutive naturals, for example, 200753 + ... + 203216.

It is an arithmetic number, because the mean of its divisors is an integer number (30055368).

Almost surely, 2^497689808 is an apocalyptic number.

It is an amenable number.

497689808 is an abundant number, since it is smaller than the sum of its proper divisors (704524912).

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

497689808 is a wasteful number, since it uses less digits than its factorization.

497689808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403995 (or 403989 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 497689808 is about 22308.9625038907. The cubic root of 497689808 is about 792.4762380798.

The spelling of 497689808 in words is "four hundred ninety-seven million, six hundred eighty-nine thousand, eight hundred eight".