85868946 has 24 divisors (see below), whose sum is σ = 192052224. Its totient is φ = 27699480.

The previous prime is 85868941. The next prime is 85868947. The reversal of 85868946 is 64986858.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85868892 and 85868901.

It is not an unprimeable number, because it can be changed into a prime (85868941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76386 + ... + 77501.

It is an arithmetic number, because the mean of its divisors is an integer number (8002176).

Almost surely, 2^85868946 is an apocalyptic number.

85868946 is an abundant number, since it is smaller than the sum of its proper divisors (106183278).

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

85868946 is a wasteful number, since it uses less digits than its factorization.

85868946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153926 (or 153923 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 85868946 is about 9266.5498433883. The cubic root of 85868946 is about 441.1761679119.

The spelling of 85868946 in words is "eighty-five million, eight hundred sixty-eight thousand, nine hundred forty-six".