489992498 has 16 divisors (see below), whose sum is σ = 746115360. Its totient is φ = 241297056.

The previous prime is 489992491. The next prime is 489992509. The reversal of 489992498 is 894299984.

It is a self number, because there is not a number n which added to its sum of digits gives 489992498.

It is not an unprimeable number, because it can be changed into a prime (489992491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123461 + ... + 127367.

It is an arithmetic number, because the mean of its divisors is an integer number (46632210).

Almost surely, 2^489992498 is an apocalyptic number.

489992498 is a deficient number, since it is larger than the sum of its proper divisors (256122862).

489992498 is a wasteful number, since it uses less digits than its factorization.

489992498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841.

The product of its digits is 13436928, while the sum is 62.

The square root of 489992498 is about 22135.7741676229. The cubic root of 489992498 is about 788.3694929035.

The spelling of 489992498 in words is "four hundred eighty-nine million, nine hundred ninety-two thousand, four hundred ninety-eight".