205894194 has 32 divisors (see below), whose sum is σ = 450605376. Its totient is φ = 62200320.

The previous prime is 205894193. The next prime is 205894201. The reversal of 205894194 is 491498502.

It is not an unprimeable number, because it can be changed into a prime (205894193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17614 + ... + 26870.

It is an arithmetic number, because the mean of its divisors is an integer number (14081418).

Almost surely, 2^205894194 is an apocalyptic number.

205894194 is an abundant number, since it is smaller than the sum of its proper divisors (244711182).

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

205894194 is a wasteful number, since it uses less digits than its factorization.

205894194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 205894194 is about 14349.0136943276. The cubic root of 205894194 is about 590.4929271384.

The spelling of 205894194 in words is "two hundred five million, eight hundred ninety-four thousand, one hundred ninety-four".