194299855 has 32 divisors (see below), whose sum is σ = 248909760. Its totient is φ = 145367040.

The previous prime is 194299849. The next prime is 194299867. The reversal of 194299855 is 558992491.

It is not a de Polignac number, because 194299855 - 2¹⁹ = 193775567 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1006639 + ... + 1006831.

It is an arithmetic number, because the mean of its divisors is an integer number (7778430).

Almost surely, 2^194299855 is an apocalyptic number.

194299855 is a deficient number, since it is larger than the sum of its proper divisors (54609905).

194299855 is a wasteful number, since it uses less digits than its factorization.

194299855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its digits is 1166400, while the sum is 52.

The square root of 194299855 is about 13939.1482881846. The cubic root of 194299855 is about 579.1941394648.

It can be divided in two parts, 1942998 and 55, that multiplied together give a triangular number (106864890 = T₁₄₆₁₉).

The spelling of 194299855 in words is "one hundred ninety-four million, two hundred ninety-nine thousand, eight hundred fifty-five".