84066194 has 4 divisors (see below), whose sum is σ = 126099294. Its totient is φ = 42033096.

The previous prime is 84066193. The next prime is 84066197. The reversal of 84066194 is 49166048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 105625 = 9163^2 + 325^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84066193) by changing a digit.

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 as a sum of consecutive naturals, namely, 21016547 + ... + 21016550.

Almost surely, 2^84066194 is an apocalyptic number.

84066194 is a deficient number, since it is larger than the sum of its proper divisors (42033100).

84066194 is a wasteful number, since it uses less digits than its factorization.

84066194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42033099.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 84066194 is about 9168.7618575247. The cubic root of 84066194 is about 438.0669226294.

The spelling of 84066194 in words is "eighty-four million, sixty-six thousand, one hundred ninety-four".