194688912 has 40 divisors (see below), whose sum is σ = 548670240. Its totient is φ = 58996480.

The previous prime is 194688911. The next prime is 194688917. The reversal of 194688912 is 219886491.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (194688911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183837 + ... + 184892.

It is an arithmetic number, because the mean of its divisors is an integer number (13716756).

Almost surely, 2^194688912 is an apocalyptic number.

194688912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194688912 is an abundant number, since it is smaller than the sum of its proper divisors (353981328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194688912 is a wasteful number, since it uses less digits than its factorization.

194688912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368751 (or 368745 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 194688912 is about 13953.0968605539. The cubic root of 194688912 is about 579.5804655350.

The spelling of 194688912 in words is "one hundred ninety-four million, six hundred eighty-eight thousand, nine hundred twelve".