194240356 has 6 divisors (see below), whose sum is σ = 339920630. Its totient is φ = 97120176.

The previous prime is 194240353. The next prime is 194240357. The reversal of 194240356 is 653042491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 81540900 = 10616^2 + 9030^2 .

It is not an unprimeable number, because it can be changed into a prime (194240353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24280041 + ... + 24280048.

Almost surely, 2^194240356 is an apocalyptic number.

It is an amenable number.

194240356 is a deficient number, since it is larger than the sum of its proper divisors (145680274).

194240356 is a wasteful number, since it uses less digits than its factorization.

194240356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48560093 (or 48560091 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 194240356 is about 13937.0138838992. The cubic root of 194240356 is about 579.1350126573.

The spelling of 194240356 in words is "one hundred ninety-four million, two hundred forty thousand, three hundred fifty-six".