489787700 has 36 divisors (see below), whose sum is σ = 1118782560. Its totient is φ = 185603040.

The previous prime is 489787667. The next prime is 489787709. The reversal of 489787700 is 7787984.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489787709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126992 + ... + 130791.

Almost surely, 2^489787700 is an apocalyptic number.

It is an amenable number.

489787700 is an abundant number, since it is smaller than the sum of its proper divisors (628994860).

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

489787700 is a wasteful number, since it uses less digits than its factorization.

489787700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257816 (or 257809 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 489787700 is about 22131.1477334548. The cubic root of 489787700 is about 788.2596415653.

The spelling of 489787700 in words is "four hundred eighty-nine million, seven hundred eighty-seven thousand, seven hundred".