289468500 has 48 divisors (see below), whose sum is σ = 842936640. Its totient is φ = 77191200.

The previous prime is 289468499. The next prime is 289468513. The reversal of 289468500 is 5864982.

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, 94990 + ... + 97989.

It is an arithmetic number, because the mean of its divisors is an integer number (17561180).

Almost surely, 2^289468500 is an apocalyptic number.

289468500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289468500 is an abundant number, since it is smaller than the sum of its proper divisors (553468140).

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

289468500 is a wasteful number, since it uses less digits than its factorization.

289468500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193001 (or 192989 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 289468500 is about 17013.7738318105. The cubic root of 289468500 is about 661.5059733945.

The spelling of 289468500 in words is "two hundred eighty-nine million, four hundred sixty-eight thousand, five hundred".