84995644 has 12 divisors (see below), whose sum is σ = 149574600. Its totient is φ = 42260048.

The previous prime is 84995633. The next prime is 84995657. The reversal of 84995644 is 44659948.

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, 58639 + ... + 60070.

It is an arithmetic number, because the mean of its divisors is an integer number (12464550).

Almost surely, 2^84995644 is an apocalyptic number.

It is an amenable number.

84995644 is a deficient number, since it is larger than the sum of its proper divisors (64578956).

84995644 is a wasteful number, since it uses less digits than its factorization.

84995644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118892 (or 118890 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 84995644 is about 9219.3082169976. The cubic root of 84995644 is about 439.6754562679.

The spelling of 84995644 in words is "eighty-four million, nine hundred ninety-five thousand, six hundred forty-four".