194840236 has 12 divisors (see below), whose sum is σ = 343013328. Its totient is φ = 96836432.

The previous prime is 194840227. The next prime is 194840237. The reversal of 194840236 is 632048491.

194840236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 194840195 and 194840204.

It is not an unprimeable number, because it can be changed into a prime (194840237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145171 + ... + 146506.

It is an arithmetic number, because the mean of its divisors is an integer number (28584444).

Almost surely, 2^194840236 is an apocalyptic number.

It is an amenable number.

194840236 is a deficient number, since it is larger than the sum of its proper divisors (148173092).

194840236 is a wasteful number, since it uses less digits than its factorization.

194840236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291848 (or 291846 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 194840236 is about 13958.5184027532. The cubic root of 194840236 is about 579.7305883132.

The spelling of 194840236 in words is "one hundred ninety-four million, eight hundred forty thousand, two hundred thirty-six".