84207 has 4 divisors (see below), whose sum is σ = 112280. Its totient is φ = 56136.

The previous prime is 84199. The next prime is 84211. The reversal of 84207 is 70248.

It is a happy number.

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

It is not a de Polignac number, because 84207 - 2³ = 84199 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84207.

It is not an unprimeable number, because it can be changed into a prime (84247) 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, 14032 + ... + 14037.

It is an arithmetic number, because the mean of its divisors is an integer number (28070).

2⁸⁴²⁰⁷ is an apocalyptic number.

84207 is a deficient number, since it is larger than the sum of its proper divisors (28073).

84207 is a wasteful number, since it uses less digits than its factorization.

84207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 84207 is about 290.1844241168. The cubic root of 84207 is about 43.8311365102.

The spelling of 84207 in words is "eighty-four thousand, two hundred seven".