6609194 has 4 divisors (see below), whose sum is σ = 9913794. Its totient is φ = 3304596.

The previous prime is 6609191. The next prime is 6609221. The reversal of 6609194 is 4919066.

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., 6027025 + 582169 = 2455^2 + 763^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6609191) 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, 1652297 + ... + 1652300.

Almost surely, 2^6609194 is an apocalyptic number.

6609194 is a deficient number, since it is larger than the sum of its proper divisors (3304600).

6609194 is a wasteful number, since it uses less digits than its factorization.

6609194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304599.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6609194 is about 2570.8352728248. The cubic root of 6609194 is about 187.6648056180.

The spelling of 6609194 in words is "six million, six hundred nine thousand, one hundred ninety-four".