489719418 has 16 divisors (see below), whose sum is σ = 981317856. Its totient is φ = 162926640.

The previous prime is 489719401. The next prime is 489719437. The reversal of 489719418 is 814917984.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74893 + ... + 81168.

It is an arithmetic number, because the mean of its divisors is an integer number (61332366).

Almost surely, 2^489719418 is an apocalyptic number.

489719418 is an abundant number, since it is smaller than the sum of its proper divisors (491598438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489719418 is a wasteful number, since it uses less digits than its factorization.

489719418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156589.

The product of its digits is 580608, while the sum is 51.

The square root of 489719418 is about 22129.6050122907. The cubic root of 489719418 is about 788.2230090636.

The spelling of 489719418 in words is "four hundred eighty-nine million, seven hundred nineteen thousand, four hundred eighteen".