29389 has 2 divisors, whose sum is σ = 29390. Its totient is φ = 29388.
The previous prime is 29387. The next prime is 29399. The reversal of 29389 is 98392.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22500 + 6889 = 150^2 + 83^2 .
It is a cyclic number.
It is not a de Polignac number, because 29389 - 21 = 29387 is a prime.
Together with 29387, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 29389.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14694 + 14695.
It is an arithmetic number, because the mean of its divisors is an integer number (14695).
229389 is an apocalyptic number.
It is an amenable number.
29389 is a deficient number, since it is larger than the sum of its proper divisors (1).
29389 is an equidigital number, since it uses as much as digits as its factorization.
29389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3888, while the sum is 31.
The square root of 29389 is about 171.4322023425. The cubic root of 29389 is about 30.8599299772.
The spelling of 29389 in words is "twenty-nine thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •