489589400 has 48 divisors (see below), whose sum is σ = 1164787800. Its totient is φ = 191278080.

The previous prime is 489589381. The next prime is 489589403. The reversal of 489589400 is 4985984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489589403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19865 + ... + 37064.

Almost surely, 2^489589400 is an apocalyptic number.

489589400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489589400 is an abundant number, since it is smaller than the sum of its proper divisors (675198400).

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

489589400 is a wasteful number, since it uses less digits than its factorization.

489589400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56988 (or 56979 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 489589400 is about 22126.6671688259. The cubic root of 489589400 is about 788.1532464973.

The spelling of 489589400 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, four hundred".