489804873 has 16 divisors (see below), whose sum is σ = 669535680. Its totient is φ = 318334464.

The previous prime is 489804859. The next prime is 489804883. The reversal of 489804873 is 378408984.

It is not a de Polignac number, because 489804873 - 2¹⁰ = 489803849 is a prime.

It is a super-2 number, since 2×489804873² = 479817627229092258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489804883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70065 + ... + 76737.

It is an arithmetic number, because the mean of its divisors is an integer number (41845980).

Almost surely, 2^489804873 is an apocalyptic number.

489804873 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

489804873 is a deficient number, since it is larger than the sum of its proper divisors (179730807).

489804873 is a wasteful number, since it uses less digits than its factorization.

489804873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 489804873 is about 22131.5357126432. The cubic root of 489804873 is about 788.2688541450.

The spelling of 489804873 in words is "four hundred eighty-nine million, eight hundred four thousand, eight hundred seventy-three".