194190272 has 28 divisors (see below), whose sum is σ = 387675120. Its totient is φ = 96508416.

The previous prime is 194190259. The next prime is 194190281. The reversal of 194190272 is 272091491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 19772.

It is an arithmetic number, because the mean of its divisors is an integer number (13845540).

Almost surely, 2^194190272 is an apocalyptic number.

It is an amenable number.

194190272 is a deficient number, since it is larger than the sum of its proper divisors (193484848).

194190272 is a wasteful number, since it uses less digits than its factorization.

194190272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18348 (or 18338 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 194190272 is about 13935.2169699650. The cubic root of 194190272 is about 579.0852325946.

The spelling of 194190272 in words is "one hundred ninety-four million, one hundred ninety thousand, two hundred seventy-two".