289830090 has 48 divisors (see below), whose sum is σ = 764586144. Its totient is φ = 70260960.

The previous prime is 289830077. The next prime is 289830097. The reversal of 289830090 is 90038982.

It is not an unprimeable number, because it can be changed into a prime (289830097) 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 23 ways as a sum of consecutive naturals, for example, 36292 + ... + 43551.

It is an arithmetic number, because the mean of its divisors is an integer number (15928878).

Almost surely, 2^289830090 is an apocalyptic number.

289830090 is an abundant number, since it is smaller than the sum of its proper divisors (474756054).

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

289830090 is a wasteful number, since it uses less digits than its factorization.

289830090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79875 (or 79864 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 289830090 is about 17024.3969056175. The cubic root of 289830090 is about 661.7812991697.

The spelling of 289830090 in words is "two hundred eighty-nine million, eight hundred thirty thousand, ninety".