84026 has 4 divisors (see below), whose sum is σ = 126042. Its totient is φ = 42012.

The previous prime is 84017. The next prime is 84047. The reversal of 84026 is 62048.

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

It can be written as a sum of positive squares in only one way, i.e., 63001 + 21025 = 251^2 + 145^2 .

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 83989 and 84007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005 + ... + 21008.

2⁸⁴⁰²⁶ is an apocalyptic number.

84026 is a deficient number, since it is larger than the sum of its proper divisors (42016).

84026 is a wasteful number, since it uses less digits than its factorization.

84026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42015.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 84026 is about 289.8723857148. The cubic root of 84026 is about 43.7997094843.

The spelling of 84026 in words is "eighty-four thousand, twenty-six".