194976117 has 12 divisors (see below), whose sum is σ = 321865440. Its totient is φ = 111414888.

The previous prime is 194976101. The next prime is 194976121. The reversal of 194976117 is 711679491.

It is not a de Polignac number, because 194976117 - 2⁴ = 194976101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194976137) 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 in 11 ways as a sum of consecutive naturals, for example, 1547367 + ... + 1547492.

It is an arithmetic number, because the mean of its divisors is an integer number (26822120).

Almost surely, 2^194976117 is an apocalyptic number.

It is an amenable number.

194976117 is a deficient number, since it is larger than the sum of its proper divisors (126889323).

194976117 is a wasteful number, since it uses less digits than its factorization.

194976117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094872 (or 3094869 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 194976117 is about 13963.3848690065. The cubic root of 194976117 is about 579.8653244582.

The spelling of 194976117 in words is "one hundred ninety-four million, nine hundred seventy-six thousand, one hundred seventeen".