497571646 has 24 divisors (see below), whose sum is σ = 877504824. Its totient is φ = 208613040.

The previous prime is 497571631. The next prime is 497571653. The reversal of 497571646 is 646175794.

It is a self number, because there is not a number n which added to its sum of digits gives 497571646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376575 + ... + 377893.

It is an arithmetic number, because the mean of its divisors is an integer number (36562701).

Almost surely, 2^497571646 is an apocalyptic number.

497571646 is a deficient number, since it is larger than the sum of its proper divisors (379933178).

497571646 is a wasteful number, since it uses less digits than its factorization.

497571646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 1345 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 497571646 is about 22306.3140388546. The cubic root of 497571646 is about 792.4135162884.

The spelling of 497571646 in words is "four hundred ninety-seven million, five hundred seventy-one thousand, six hundred forty-six".