289897463 has 2 divisors, whose sum is σ = 289897464. Its totient is φ = 289897462.

The previous prime is 289897453. The next prime is 289897499. The reversal of 289897463 is 364798982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289897463 - 2¹⁴ = 289881079 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 289897399 and 289897408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289897403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144948731 + 144948732.

It is an arithmetic number, because the mean of its divisors is an integer number (144948732).

Almost surely, 2^289897463 is an apocalyptic number.

289897463 is a deficient number, since it is larger than the sum of its proper divisors (1).

289897463 is an equidigital number, since it uses as much as digits as its factorization.

289897463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The square root of 289897463 is about 17026.3755097789. The cubic root of 289897463 is about 661.8325737367.

The spelling of 289897463 in words is "two hundred eighty-nine million, eight hundred ninety-seven thousand, four hundred sixty-three".