84092805 has 24 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 44411616.

The previous prime is 84092797. The next prime is 84092843. The reversal of 84092805 is 50829048.

It is not a de Polignac number, because 84092805 - 2³ = 84092797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84092805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4437 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (6132672).

Almost surely, 2^84092805 is an apocalyptic number.

It is an amenable number.

84092805 is a deficient number, since it is larger than the sum of its proper divisors (63091323).

84092805 is a wasteful number, since it uses less digits than its factorization.

84092805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257 (or 18254 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 84092805 is about 9170.2129201017. The cubic root of 84092805 is about 438.1131408475.

The spelling of 84092805 in words is "eighty-four million, ninety-two thousand, eight hundred five".