189794755 has 8 divisors (see below), whose sum is σ = 229151952. Its totient is φ = 150903648.

The previous prime is 189794747. The next prime is 189794767. The reversal of 189794755 is 557497981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189794755 - 2³ = 189794747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189794696 and 189794705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115624 + ... + 117253.

It is an arithmetic number, because the mean of its divisors is an integer number (28643994).

Almost surely, 2^189794755 is an apocalyptic number.

189794755 is a deficient number, since it is larger than the sum of its proper divisors (39357197).

189794755 is a wasteful number, since it uses less digits than its factorization.

189794755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233045.

The product of its digits is 3175200, while the sum is 55.

The square root of 189794755 is about 13776.6017217600. The cubic root of 189794755 is about 574.6826276305.

The spelling of 189794755 in words is "one hundred eighty-nine million, seven hundred ninety-four thousand, seven hundred fifty-five".