194681028 has 24 divisors (see below), whose sum is σ = 455142240. Its totient is φ = 64767040.

The previous prime is 194681027. The next prime is 194681041. The reversal of 194681028 is 820186491.

It is not an unprimeable number, because it can be changed into a prime (194681027) 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 7 ways as a sum of consecutive naturals, for example, 9318 + ... + 21821.

It is an arithmetic number, because the mean of its divisors is an integer number (18964260).

Almost surely, 2^194681028 is an apocalyptic number.

It is an amenable number.

194681028 is an abundant number, since it is smaller than the sum of its proper divisors (260461212).

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

194681028 is a wasteful number, since it uses less digits than its factorization.

194681028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31667 (or 31665 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 194681028 is about 13952.8143397667. The cubic root of 194681028 is about 579.5726419871.

The spelling of 194681028 in words is "one hundred ninety-four million, six hundred eighty-one thousand, twenty-eight".