489788635 has 32 divisors (see below), whose sum is σ = 687968640. Its totient is φ = 327794688.

The previous prime is 489788633. The next prime is 489788641. The reversal of 489788635 is 536887984.

It is a cyclic number.

It is not a de Polignac number, because 489788635 - 2¹ = 489788633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489788635.

It is not an unprimeable number, because it can be changed into a prime (489788633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424219 + ... + 425371.

It is an arithmetic number, because the mean of its divisors is an integer number (21499020).

Almost surely, 2^489788635 is an apocalyptic number.

489788635 is a deficient number, since it is larger than the sum of its proper divisors (198180005).

489788635 is a wasteful number, since it uses less digits than its factorization.

489788635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its digits is 11612160, while the sum is 58.

The square root of 489788635 is about 22131.1688575186. The cubic root of 489788635 is about 788.2601431584.

The spelling of 489788635 in words is "four hundred eighty-nine million, seven hundred eighty-eight thousand, six hundred thirty-five".