84687244 has 6 divisors (see below), whose sum is σ = 148202684. Its totient is φ = 42343620.

The previous prime is 84687241. The next prime is 84687259. The reversal of 84687244 is 44278648.

It is a self number, because there is not a number n which added to its sum of digits gives 84687244.

It is not an unprimeable number, because it can be changed into a prime (84687241) by changing a digit.

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 as a sum of consecutive naturals, namely, 10585902 + ... + 10585909.

Almost surely, 2^84687244 is an apocalyptic number.

It is an amenable number.

84687244 is a deficient number, since it is larger than the sum of its proper divisors (63515440).

84687244 is a wasteful number, since it uses less digits than its factorization.

84687244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171815 (or 21171813 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 84687244 is about 9202.5672505014. The cubic root of 84687244 is about 439.1430358778.

The spelling of 84687244 in words is "eighty-four million, six hundred eighty-seven thousand, two hundred forty-four".