289480230 has 160 divisors (see below), whose sum is σ = 862069824. Its totient is φ = 69237504.

The previous prime is 289480189. The next prime is 289480237. The reversal of 289480230 is 32084982.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289480237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 389239 + ... + 389981.

Almost surely, 2^289480230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289480230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431034912).

289480230 is an abundant number, since it is smaller than the sum of its proper divisors (572589594).

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

289480230 is a wasteful number, since it uses less digits than its factorization.

289480230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 289480230 is about 17014.1185490169. The cubic root of 289480230 is about 661.5149085754.

The spelling of 289480230 in words is "two hundred eighty-nine million, four hundred eighty thousand, two hundred thirty".