84400194 has 8 divisors (see below), whose sum is σ = 168800400. Its totient is φ = 28133396.

The previous prime is 84400177. The next prime is 84400207. The reversal of 84400194 is 49100448.

It is a sphenic number, since it is the product of 3 distinct primes.

84400194 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 7033344 + ... + 7033355.

It is an arithmetic number, because the mean of its divisors is an integer number (21100050).

Almost surely, 2^84400194 is an apocalyptic number.

84400194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84400194 is a wasteful number, since it uses less digits than its factorization.

84400194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066704.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 84400194 is about 9186.9578207370. The cubic root of 84400194 is about 438.6463113226.

The spelling of 84400194 in words is "eighty-four million, four hundred thousand, one hundred ninety-four".