488917643 has 4 divisors (see below), whose sum is σ = 489489000. Its totient is φ = 488346288.

The previous prime is 488917631. The next prime is 488917657. The reversal of 488917643 is 346719884.

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

It is a cyclic number.

It is not a de Polignac number, because 488917643 - 2¹⁶ = 488852107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488917591 and 488917600.

It is not an unprimeable number, because it can be changed into a prime (488917613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 284393 + ... + 286106.

It is an arithmetic number, because the mean of its divisors is an integer number (122372250).

Almost surely, 2^488917643 is an apocalyptic number.

488917643 is a deficient number, since it is larger than the sum of its proper divisors (571357).

488917643 is an equidigital number, since it uses as much as digits as its factorization.

488917643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571356.

The product of its digits is 1161216, while the sum is 50.

The square root of 488917643 is about 22111.4821529449. The cubic root of 488917643 is about 787.7926111066.

The spelling of 488917643 in words is "four hundred eighty-eight million, nine hundred seventeen thousand, six hundred forty-three".