84826 has 16 divisors (see below), whose sum is σ = 149184. Its totient is φ = 35424.

The previous prime is 84811. The next prime is 84827. The reversal of 84826 is 62848.

It is a junction number, because it is equal to n+sod(n) for n = 84794 and 84803.

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 7 ways as a sum of consecutive naturals, for example, 981 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (9324).

2⁸⁴⁸²⁶ is an apocalyptic number.

84826 is the 146-th decagonal number.

84826 is a deficient number, since it is larger than the sum of its proper divisors (64358).

84826 is a wasteful number, since it uses less digits than its factorization.

84826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165.

The product of its digits is 3072, while the sum is 28.

The square root of 84826 is about 291.2490343332. The cubic root of 84826 is about 43.9382743298.

The spelling of 84826 in words is "eighty-four thousand, eight hundred twenty-six".