85644192 has 48 divisors (see below), whose sum is σ = 232575840. Its totient is φ = 27562752.

The previous prime is 85644151. The next prime is 85644211. The reversal of 85644192 is 29144658.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 85644192.

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, 12598 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (4845330).

Almost surely, 2^85644192 is an apocalyptic number.

It is an amenable number.

85644192 is an abundant number, since it is smaller than the sum of its proper divisors (146931648).

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

85644192 is a wasteful number, since it uses less digits than its factorization.

85644192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805 (or 30797 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 85644192 is about 9254.4147302787. The cubic root of 85644192 is about 440.7909190348.

The spelling of 85644192 in words is "eighty-five million, six hundred forty-four thousand, one hundred ninety-two".