84891850 has 24 divisors (see below), whose sum is σ = 164766240. Its totient is φ = 32479920.

The previous prime is 84891839. The next prime is 84891883. The reversal of 84891850 is 5819848.

It is a junction number, because it is equal to n+sod(n) for n = 84891797 and 84891806.

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 11 ways as a sum of consecutive naturals, for example, 35760 + ... + 38059.

It is an arithmetic number, because the mean of its divisors is an integer number (6865260).

Almost surely, 2^84891850 is an apocalyptic number.

84891850 is a deficient number, since it is larger than the sum of its proper divisors (79874390).

84891850 is a wasteful number, since it uses less digits than its factorization.

84891850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73854 (or 73849 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 84891850 is about 9213.6773331824. The cubic root of 84891850 is about 439.4964107660.

The spelling of 84891850 in words is "eighty-four million, eight hundred ninety-one thousand, eight hundred fifty".