84684550 has 12 divisors (see below), whose sum is σ = 157513356. Its totient is φ = 33873800.

The previous prime is 84684541. The next prime is 84684569. The reversal of 84684550 is 5548648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846796 + ... + 846895.

It is an arithmetic number, because the mean of its divisors is an integer number (13126113).

Almost surely, 2^84684550 is an apocalyptic number.

84684550 is a deficient number, since it is larger than the sum of its proper divisors (72828806).

84684550 is a wasteful number, since it uses less digits than its factorization.

84684550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693703 (or 1693698 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 84684550 is about 9202.4208771388. The cubic root of 84684550 is about 439.1383792777.

The spelling of 84684550 in words is "eighty-four million, six hundred eighty-four thousand, five hundred fifty".