85849806 has 16 divisors (see below), whose sum is σ = 196228224. Its totient is φ = 24528504.

The previous prime is 85849793. The next prime is 85849807. The reversal of 85849806 is 60894858.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85849807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021980 + ... + 1022063.

It is an arithmetic number, because the mean of its divisors is an integer number (12264264).

Almost surely, 2^85849806 is an apocalyptic number.

85849806 is an abundant number, since it is smaller than the sum of its proper divisors (110378418).

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

85849806 is a wasteful number, since it uses less digits than its factorization.

85849806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044055.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 85849806 is about 9265.5170390000. The cubic root of 85849806 is about 441.1433864090.

The spelling of 85849806 in words is "eighty-five million, eight hundred forty-nine thousand, eight hundred six".