489559238 has 32 divisors (see below), whose sum is σ = 859161600. Its totient is φ = 204853824.

The previous prime is 489559211. The next prime is 489559241. The reversal of 489559238 is 832955984.

It is a super-2 number, since 2×489559238² = 479336495022281288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 489559238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433058 + ... + 434186.

It is an arithmetic number, because the mean of its divisors is an integer number (26848800).

Almost surely, 2^489559238 is an apocalyptic number.

489559238 is a deficient number, since it is larger than the sum of its proper divisors (369602362).

489559238 is a wasteful number, since it uses less digits than its factorization.

489559238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its digits is 3110400, while the sum is 53.

The square root of 489559238 is about 22125.9855825678. The cubic root of 489559238 is about 788.1370609846.

The spelling of 489559238 in words is "four hundred eighty-nine million, five hundred fifty-nine thousand, two hundred thirty-eight".