84806 has 4 divisors (see below), whose sum is σ = 127212. Its totient is φ = 42402.

The previous prime is 84793. The next prime is 84809. The reversal of 84806 is 60848.

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

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 84806.

It is not an unprimeable number, because it can be changed into a prime (84809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (31803).

2⁸⁴⁸⁰⁶ is an apocalyptic number.

84806 is a deficient number, since it is larger than the sum of its proper divisors (42406).

84806 is a wasteful number, since it uses less digits than its factorization.

84806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42405.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 84806 is about 291.2146974313. The cubic root of 84806 is about 43.9348208503.

The spelling of 84806 in words is "eighty-four thousand, eight hundred six".