85398844 has 12 divisors (see below), whose sum is σ = 157313800. Its totient is φ = 40452048.

The previous prime is 85398827. The next prime is 85398851. The reversal of 85398844 is 44889358.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561759 + ... + 561910.

Almost surely, 2^85398844 is an apocalyptic number.

It is an amenable number.

85398844 is a deficient number, since it is larger than the sum of its proper divisors (71914956).

85398844 is a wasteful number, since it uses less digits than its factorization.

85398844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123692 (or 1123690 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 85398844 is about 9241.1494955985. The cubic root of 85398844 is about 440.3695999175.

The spelling of 85398844 in words is "eighty-five million, three hundred ninety-eight thousand, eight hundred forty-four".