39423 has 8 divisors (see below), whose sum is σ = 55728. Its totient is φ = 24704.
The previous prime is 39419. The next prime is 39439. The reversal of 39423 is 32493.
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 39423 - 22 = 39419 is a prime.
It is a d-powerful number, because it can be written as 34 + 9 + 4 + 215 + 38 .
It is a plaindrome in base 8 and base 16.
It is a nialpdrome in base 15.
It is a zygodrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 39423.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 39423.
It is not an unprimeable number, because it can be changed into a prime (39443) 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, 336 + ... + 437.
It is an arithmetic number, because the mean of its divisors is an integer number (6966).
239423 is an apocalyptic number.
39423 is a deficient number, since it is larger than the sum of its proper divisors (16305).
39423 is a wasteful number, since it uses less digits than its factorization.
39423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 793.
The product of its digits is 648, while the sum is 21.
The square root of 39423 is about 198.5522601231. The cubic root of 39423 is about 34.0342791533.
The spelling of 39423 in words is "thirty-nine thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •