85404084 has 12 divisors (see below), whose sum is σ = 199276224. Its totient is φ = 28468024.

The previous prime is 85404061. The next prime is 85404091. The reversal of 85404084 is 48040458.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3558492 + ... + 3558515.

It is an arithmetic number, because the mean of its divisors is an integer number (16606352).

Almost surely, 2^85404084 is an apocalyptic number.

It is an amenable number.

85404084 is an abundant number, since it is smaller than the sum of its proper divisors (113872140).

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

85404084 is a wasteful number, since it uses less digits than its factorization.

85404084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117014 (or 7117012 counting only the distinct ones).

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

The square root of 85404084 is about 9241.4330057627. The cubic root of 85404084 is about 440.3786066339.

The spelling of 85404084 in words is "eighty-five million, four hundred four thousand, eighty-four".