84323805 has 16 divisors (see below), whose sum is σ = 142019520. Its totient is φ = 42605568.

The previous prime is 84323801. The next prime is 84323821. The reversal of 84323805 is 50832348.

It is not a de Polignac number, because 84323805 - 2² = 84323801 is a prime.

It is a super-2 number, since 2×84323805² = 14221008179356050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84323801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147652 + ... + 148221.

It is an arithmetic number, because the mean of its divisors is an integer number (8876220).

Almost surely, 2^84323805 is an apocalyptic number.

It is an amenable number.

84323805 is a deficient number, since it is larger than the sum of its proper divisors (57695715).

84323805 is a wasteful number, since it uses less digits than its factorization.

84323805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295900.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 84323805 is about 9182.7994097661. The cubic root of 84323805 is about 438.5139345841.

The spelling of 84323805 in words is "eighty-four million, three hundred twenty-three thousand, eight hundred five".