79849 has 16 divisors (see below), whose sum is σ = 107136. Its totient is φ = 57600.
The previous prime is 79847. The next prime is 79861. The reversal of 79849 is 94897.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 79849 - 21 = 79847 is a prime.
It is a Duffinian number.
Its product of digits (18144) is a multiple of the sum of its prime divisors (96).
It is not an unprimeable number, because it can be changed into a prime (79841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 1339.
It is an arithmetic number, because the mean of its divisors is an integer number (6696).
279849 is an apocalyptic number.
It is an amenable number.
79849 is a deficient number, since it is larger than the sum of its proper divisors (27287).
79849 is a wasteful number, since it uses less digits than its factorization.
79849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96.
The product of its digits is 18144, while the sum is 37.
The square root of 79849 is about 282.5756535868. The cubic root of 79849 is about 43.0615667562.
The spelling of 79849 in words is "seventy-nine thousand, eight hundred forty-nine".
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