85644304 has 40 divisors (see below), whose sum is σ = 170783712. Its totient is φ = 41583360.

The previous prime is 85644287. The next prime is 85644319. The reversal of 85644304 is 40344658.

It is a self number, because there is not a number n which added to its sum of digits gives 85644304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193107 + ... + 193549.

Almost surely, 2^85644304 is an apocalyptic number.

It is an amenable number.

85644304 is a deficient number, since it is larger than the sum of its proper divisors (85139408).

85644304 is a wasteful number, since it uses less digits than its factorization.

85644304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 85644304 is about 9254.4207814428. The cubic root of 85644304 is about 440.7911111807.

The spelling of 85644304 in words is "eighty-five million, six hundred forty-four thousand, three hundred four".