85604085 has 48 divisors (see below), whose sum is σ = 175443840. Its totient is φ = 37779840.

The previous prime is 85604083. The next prime is 85604089. The reversal of 85604085 is 58040658.

It is a happy number.

It is not a de Polignac number, because 85604085 - 2¹ = 85604083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85604081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4450 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (3655080).

Almost surely, 2^85604085 is an apocalyptic number.

It is an amenable number.

85604085 is an abundant number, since it is smaller than the sum of its proper divisors (89839755).

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

85604085 is a wasteful number, since it uses less digits than its factorization.

85604085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418 (or 9415 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85604085 is about 9252.2475647812. The cubic root of 85604085 is about 440.7221011292.

The spelling of 85604085 in words is "eighty-five million, six hundred four thousand, eighty-five".