289901090 has 16 divisors (see below), whose sum is σ = 522064440. Its totient is φ = 115906560.

The previous prime is 289901089. The next prime is 289901099. The reversal of 289901090 is 90109982.

It can be written as a sum of positive squares in 4 ways, for example, as 120406729 + 169494361 = 10973^2 + 13019^2 .

It is not an unprimeable number, because it can be changed into a prime (289901099) 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 7 ways as a sum of consecutive naturals, for example, 21500 + ... + 32280.

Almost surely, 2^289901090 is an apocalyptic number.

289901090 is a deficient number, since it is larger than the sum of its proper divisors (232163350).

289901090 is a wasteful number, since it uses less digits than its factorization.

289901090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 289901090 is about 17026.4820206642. The cubic root of 289901090 is about 661.8353338583.

The spelling of 289901090 in words is "two hundred eighty-nine million, nine hundred one thousand, ninety".