489501844 has 24 divisors (see below), whose sum is σ = 929173280. Its totient is φ = 224295264.

The previous prime is 489501833. The next prime is 489501863. The reversal of 489501844 is 448105984.

It is a super-2 number, since 2×489501844² = 479224110558800672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489501844.

It is a congruent number.

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, 26634 + ... + 41089.

Almost surely, 2^489501844 is an apocalyptic number.

It is an amenable number.

489501844 is a deficient number, since it is larger than the sum of its proper divisors (439671436).

489501844 is a wasteful number, since it uses less digits than its factorization.

489501844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67879 (or 67877 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 489501844 is about 22124.6885627798. The cubic root of 489501844 is about 788.1062604176.

The spelling of 489501844 in words is "four hundred eighty-nine million, five hundred one thousand, eight hundred forty-four".