85818236 has 24 divisors (see below), whose sum is σ = 174877920. Its totient is φ = 36084672.

The previous prime is 85818181. The next prime is 85818247. The reversal of 85818236 is 63281858.

It is a junction number, because it is equal to n+sod(n) for n = 85818193 and 85818202.

It is a congruent number.

It is an unprimeable number.

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, 27431 + ... + 30398.

It is an arithmetic number, because the mean of its divisors is an integer number (7286580).

Almost surely, 2^85818236 is an apocalyptic number.

It is an amenable number.

85818236 is an abundant number, since it is smaller than the sum of its proper divisors (89059684).

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

85818236 is a wasteful number, since it uses less digits than its factorization.

85818236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57893 (or 57891 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 85818236 is about 9263.8132537309. The cubic root of 85818236 is about 441.0893051212.

The spelling of 85818236 in words is "eighty-five million, eight hundred eighteen thousand, two hundred thirty-six".