194105488 has 20 divisors (see below), whose sum is σ = 384082560. Its totient is φ = 94987424.

The previous prime is 194105459. The next prime is 194105519. The reversal of 194105488 is 884501491.

It is a self number, because there is not a number n which added to its sum of digits gives 194105488.

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 3 ways as a sum of consecutive naturals, for example, 128308 + ... + 129811.

It is an arithmetic number, because the mean of its divisors is an integer number (19204128).

Almost surely, 2^194105488 is an apocalyptic number.

It is an amenable number.

194105488 is a deficient number, since it is larger than the sum of its proper divisors (189977072).

194105488 is a wasteful number, since it uses less digits than its factorization.

194105488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258174 (or 258168 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 194105488 is about 13932.1745610655. The cubic root of 194105488 is about 579.0009435982. Note that the first 3 decimals are identical.

The spelling of 194105488 in words is "one hundred ninety-four million, one hundred five thousand, four hundred eighty-eight".