84523804 has 12 divisors (see below), whose sum is σ = 154347984. Its totient is φ = 40424384.

The previous prime is 84523787. The next prime is 84523819. The reversal of 84523804 is 40832548.

It is a self number, because there is not a number n which added to its sum of digits gives 84523804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459277 + ... + 459460.

It is an arithmetic number, because the mean of its divisors is an integer number (12862332).

Almost surely, 2^84523804 is an apocalyptic number.

It is an amenable number.

84523804 is a deficient number, since it is larger than the sum of its proper divisors (69824180).

84523804 is a wasteful number, since it uses less digits than its factorization.

84523804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918764 (or 918762 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 84523804 is about 9193.6828311618. The cubic root of 84523804 is about 438.8603496216.

It can be divided in two parts, 845 and 23804, that added together give a square (24649 = 157²).

The spelling of 84523804 in words is "eighty-four million, five hundred twenty-three thousand, eight hundred four".