196387 has 2 divisors, whose sum is σ = 196388. Its totient is φ = 196386.
The previous prime is 196379. The next prime is 196429. The reversal of 196387 is 783691.
It is a weak prime.
It is an emirp because it is prime and its reverse (783691) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 196387 - 23 = 196379 is a prime.
It is not a weakly prime, because it can be changed into another prime (196307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98193 + 98194.
It is an arithmetic number, because the mean of its divisors is an integer number (98194).
2196387 is an apocalyptic number.
196387 is a deficient number, since it is larger than the sum of its proper divisors (1).
196387 is an equidigital number, since it uses as much as digits as its factorization.
196387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9072, while the sum is 34.
The square root of 196387 is about 443.1557288358. The cubic root of 196387 is about 58.1260634946.
The spelling of 196387 in words is "one hundred ninety-six thousand, three hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •