85649612 has 12 divisors (see below), whose sum is σ = 152344416. Its totient is φ = 42122640.

The previous prime is 85649591. The next prime is 85649647. The reversal of 85649612 is 21694658.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85649612.

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, 175268 + ... + 175755.

It is an arithmetic number, because the mean of its divisors is an integer number (12695368).

Almost surely, 2^85649612 is an apocalyptic number.

It is an amenable number.

85649612 is a deficient number, since it is larger than the sum of its proper divisors (66694804).

85649612 is a wasteful number, since it uses less digits than its factorization.

85649612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351088 (or 351086 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 85649612 is about 9254.7075588589. The cubic root of 85649612 is about 440.8002173356.

The spelling of 85649612 in words is "eighty-five million, six hundred forty-nine thousand, six hundred twelve".