194623396 has 12 divisors (see below), whose sum is σ = 371553840. Its totient is φ = 88465160.

The previous prime is 194623391. The next prime is 194623397. The reversal of 194623396 is 693326491.

It is not an unprimeable number, because it can be changed into a prime (194623391) 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, 2211586 + ... + 2211673.

It is an arithmetic number, because the mean of its divisors is an integer number (30962820).

Almost surely, 2^194623396 is an apocalyptic number.

It is an amenable number.

194623396 is a deficient number, since it is larger than the sum of its proper divisors (176930444).

194623396 is a wasteful number, since it uses less digits than its factorization.

194623396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423274 (or 4423272 counting only the distinct ones).

The product of its digits is 209952, while the sum is 43.

The square root of 194623396 is about 13950.7489404691. The cubic root of 194623396 is about 579.5154454754.

The spelling of 194623396 in words is "one hundred ninety-four million, six hundred twenty-three thousand, three hundred ninety-six".