84540804 has 24 divisors (see below), whose sum is σ = 207644640. Its totient is φ = 26697024.

The previous prime is 84540803. The next prime is 84540839. The reversal of 84540804 is 40804548.

It is not an unprimeable number, because it can be changed into a prime (84540803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 185169 + ... + 185624.

It is an arithmetic number, because the mean of its divisors is an integer number (8651860).

Almost surely, 2^84540804 is an apocalyptic number.

It is an amenable number.

84540804 is an abundant number, since it is smaller than the sum of its proper divisors (123103836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84540804 is a wasteful number, since it uses less digits than its factorization.

84540804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370819 (or 370817 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 84540804 is about 9194.6073325618. The cubic root of 84540804 is about 438.8897698381.

The spelling of 84540804 in words is "eighty-four million, five hundred forty thousand, eight hundred four".