488506646 has 4 divisors (see below), whose sum is σ = 732759972. Its totient is φ = 244253322.

The previous prime is 488506633. The next prime is 488506651. The reversal of 488506646 is 646605884.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 488506646.

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 as a sum of consecutive naturals, namely, 122126660 + ... + 122126663.

It is an arithmetic number, because the mean of its divisors is an integer number (183189993).

Almost surely, 2^488506646 is an apocalyptic number.

488506646 is a deficient number, since it is larger than the sum of its proper divisors (244253326).

488506646 is a wasteful number, since it uses less digits than its factorization.

488506646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244253325.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 488506646 is about 22102.1864529281. The cubic root of 488506646 is about 787.5718028424.

The spelling of 488506646 in words is "four hundred eighty-eight million, five hundred six thousand, six hundred forty-six".