289422068 has 12 divisors (see below), whose sum is σ = 545449380. Its totient is φ = 133579392.

The previous prime is 289422061. The next prime is 289422071. The reversal of 289422068 is 860224982.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 245172964 = 6652^2 + 15658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289422061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782853 + ... + 2782956.

It is an arithmetic number, because the mean of its divisors is an integer number (45454115).

Almost surely, 2^289422068 is an apocalyptic number.

It is an amenable number.

289422068 is a deficient number, since it is larger than the sum of its proper divisors (256027312).

289422068 is a wasteful number, since it uses less digits than its factorization.

289422068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565826 (or 5565824 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 289422068 is about 17012.4092356139. The cubic root of 289422068 is about 661.4706020296.

The spelling of 289422068 in words is "two hundred eighty-nine million, four hundred twenty-two thousand, sixty-eight".