84079 has 4 divisors (see below), whose sum is σ = 85176. Its totient is φ = 82984.

The previous prime is 84067. The next prime is 84089. The reversal of 84079 is 97048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84079 - 2⁵ = 84047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

2⁸⁴⁰⁷⁹ is an apocalyptic number.

84079 is a deficient number, since it is larger than the sum of its proper divisors (1097).

84079 is a wasteful number, since it uses less digits than its factorization.

84079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 84079 is about 289.9637908429. The cubic root of 84079 is about 43.8089165420.

It can be divided in two parts, 840 and 79, that added together give a palindrome (919).

The spelling of 84079 in words is "eighty-four thousand, seventy-nine".