49389 has 8 divisors (see below), whose sum is σ = 66912. Its totient is φ = 32400.
The previous prime is 49369. The next prime is 49391. The reversal of 49389 is 98394.
49389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49389 - 27 = 49261 is a prime.
It is a Curzon number.
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 49389.
It is not an unprimeable number, because it can be changed into a prime (49339) 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, 222 + ... + 384.
It is an arithmetic number, because the mean of its divisors is an integer number (8364).
249389 is an apocalyptic number.
It is an amenable number.
49389 is a deficient number, since it is larger than the sum of its proper divisors (17523).
49389 is a wasteful number, since it uses less digits than its factorization.
49389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267.
The product of its digits is 7776, while the sum is 33.
The square root of 49389 is about 222.2363606613. The cubic root of 49389 is about 36.6896366634.
The spelling of 49389 in words is "forty-nine thousand, three hundred eighty-nine".
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