194230817 has 16 divisors (see below), whose sum is σ = 218078784. Its totient is φ = 171456000.

The previous prime is 194230811. The next prime is 194230819. The reversal of 194230817 is 718032491.

194230817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 194230817 - 2⁴ = 194230801 is a prime.

It is a super-2 number, since 2×194230817² = 75451220544974978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194230811) 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, 107798 + ... + 109584.

It is an arithmetic number, because the mean of its divisors is an integer number (13629924).

Almost surely, 2^194230817 is an apocalyptic number.

It is an amenable number.

194230817 is a deficient number, since it is larger than the sum of its proper divisors (23847967).

194230817 is a wasteful number, since it uses less digits than its factorization.

194230817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 194230817 is about 13936.6716614836. The cubic root of 194230817 is about 579.1255322050.

The spelling of 194230817 in words is "one hundred ninety-four million, two hundred thirty thousand, eight hundred seventeen".