194660748 has 18 divisors (see below), whose sum is σ = 492059204. Its totient is φ = 64886904.

The previous prime is 194660747. The next prime is 194660773. The reversal of 194660748 is 847066491.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (194660747) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2703586 + ... + 2703657.

Almost surely, 2^194660748 is an apocalyptic number.

194660748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194660748 is an abundant number, since it is smaller than the sum of its proper divisors (297398456).

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

194660748 is a wasteful number, since it uses less digits than its factorization.

194660748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407253 (or 5407248 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 194660748 is about 13952.0875857343. The cubic root of 194660748 is about 579.5525165175.

The spelling of 194660748 in words is "one hundred ninety-four million, six hundred sixty thousand, seven hundred forty-eight".