84829 has 4 divisors (see below), whose sum is σ = 86940. Its totient is φ = 82720.

The previous prime is 84827. The next prime is 84857. The reversal of 84829 is 92848.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8100 + 76729 = 90^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 84829 - 2¹ = 84827 is a prime.

It is a Duffinian number.

84829 is a lucky number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 84829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84827) 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, 994 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (21735).

2⁸⁴⁸²⁹ is an apocalyptic number.

It is an amenable number.

84829 is a deficient number, since it is larger than the sum of its proper divisors (2111).

84829 is a wasteful number, since it uses less digits than its factorization.

84829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110.

The product of its digits is 4608, while the sum is 31.

The square root of 84829 is about 291.2541845193. The cubic root of 84829 is about 43.9387923049.

The spelling of 84829 in words is "eighty-four thousand, eight hundred twenty-nine".