489800858 has 4 divisors (see below), whose sum is σ = 734701290. Its totient is φ = 244900428.

The previous prime is 489800797. The next prime is 489800863. The reversal of 489800858 is 858008984.

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

It can be written as a sum of positive squares in only one way, i.e., 449567209 + 40233649 = 21203^2 + 6343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122450213 + ... + 122450216.

Almost surely, 2^489800858 is an apocalyptic number.

489800858 is a deficient number, since it is larger than the sum of its proper divisors (244900432).

489800858 is a wasteful number, since it uses less digits than its factorization.

489800858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244900431.

The product of its (nonzero) digits is 737280, while the sum is 50.

The square root of 489800858 is about 22131.4450047890. The cubic root of 489800858 is about 788.2667002886.

The spelling of 489800858 in words is "four hundred eighty-nine million, eight hundred thousand, eight hundred fifty-eight".