488690686 has 24 divisors (see below), whose sum is σ = 808836840. Its totient is φ = 221276880.

The previous prime is 488690681. The next prime is 488690711. The reversal of 488690686 is 686096884.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488690681) by changing a digit.

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, 61345 + ... + 68851.

It is an arithmetic number, because the mean of its divisors is an integer number (33701535).

Almost surely, 2^488690686 is an apocalyptic number.

488690686 is a deficient number, since it is larger than the sum of its proper divisors (320146154).

488690686 is a wasteful number, since it uses less digits than its factorization.

488690686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800 (or 7789 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 488690686 is about 22106.3494498753. The cubic root of 488690686 is about 787.6706936950.

The spelling of 488690686 in words is "four hundred eighty-eight million, six hundred ninety thousand, six hundred eighty-six".