84850018 has 16 divisors (see below), whose sum is σ = 139550400. Its totient is φ = 38372400.

The previous prime is 84850001. The next prime is 84850039. The reversal of 84850018 is 81005848.

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 7 ways as a sum of consecutive naturals, for example, 5313 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (8721900).

Almost surely, 2^84850018 is an apocalyptic number.

84850018 is a deficient number, since it is larger than the sum of its proper divisors (54700382).

84850018 is a wasteful number, since it uses less digits than its factorization.

84850018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 84850018 is about 9211.4069500810. The cubic root of 84850018 is about 439.4242089605.

The spelling of 84850018 in words is "eighty-four million, eight hundred fifty thousand, eighteen".