289122663 has 8 divisors (see below), whose sum is σ = 398790000. Its totient is φ = 186101888.

The previous prime is 289122661. The next prime is 289122671. The reversal of 289122663 is 366221982.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289122663 - 2¹ = 289122661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289122661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661538 + ... + 1661711.

It is an arithmetic number, because the mean of its divisors is an integer number (49848750).

Almost surely, 2^289122663 is an apocalyptic number.

289122663 is a deficient number, since it is larger than the sum of its proper divisors (109667337).

289122663 is a wasteful number, since it uses less digits than its factorization.

289122663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323281.

The product of its digits is 62208, while the sum is 39.

The square root of 289122663 is about 17003.6073525590. The cubic root of 289122663 is about 661.2424278396.

The spelling of 289122663 in words is "two hundred eighty-nine million, one hundred twenty-two thousand, six hundred sixty-three".