85843806 has 16 divisors (see below), whose sum is σ = 171925248. Its totient is φ = 28575000.

The previous prime is 85843801. The next prime is 85843819. The reversal of 85843806 is 60834858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85843801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5020 + ... + 14031.

It is an arithmetic number, because the mean of its divisors is an integer number (10745328).

Almost surely, 2^85843806 is an apocalyptic number.

85843806 is an abundant number, since it is smaller than the sum of its proper divisors (86081442).

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

85843806 is a wasteful number, since it uses less digits than its factorization.

85843806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19807.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 85843806 is about 9265.1932521670. The cubic root of 85843806 is about 441.1331090727.

The spelling of 85843806 in words is "eighty-five million, eight hundred forty-three thousand, eight hundred six".