243412194 has 16 divisors (see below), whose sum is σ = 487571040. Its totient is φ = 81012960.

The previous prime is 243412189. The next prime is 243412219. The reversal of 243412194 is 491214342.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26827 + ... + 34734.

It is an arithmetic number, because the mean of its divisors is an integer number (30473190).

Almost surely, 2^243412194 is an apocalyptic number.

243412194 is an abundant number, since it is smaller than the sum of its proper divisors (244158846).

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

243412194 is a wasteful number, since it uses less digits than its factorization.

243412194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62225.

The product of its digits is 6912, while the sum is 30.

The square root of 243412194 is about 15601.6727949281. The cubic root of 243412194 is about 624.3777863124.

The spelling of 243412194 in words is "two hundred forty-three million, four hundred twelve thousand, one hundred ninety-four".