85843944 has 48 divisors (see below), whose sum is σ = 240516900. Its totient is φ = 27627264.

The previous prime is 85843943. The next prime is 85843987. The reversal of 85843944 is 44934858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83503044 + 2340900 = 9138^2 + 1530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85843944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85843943) 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 11 ways as a sum of consecutive naturals, for example, 18469 + ... + 22644.

Almost surely, 2^85843944 is an apocalyptic number.

It is an amenable number.

85843944 is an abundant number, since it is smaller than the sum of its proper divisors (154672956).

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

85843944 is a wasteful number, since it uses less digits than its factorization.

85843944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41154 (or 41147 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 85843944 is about 9265.2006993912. The cubic root of 85843944 is about 441.1333454568.

The spelling of 85843944 in words is "eighty-five million, eight hundred forty-three thousand, nine hundred forty-four".