194898688 has 72 divisors (see below), whose sum is σ = 412070400. Its totient is φ = 91812864.

The previous prime is 194898679. The next prime is 194898703. The reversal of 194898688 is 886898491.

194898688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464943 + ... + 465361.

It is an arithmetic number, because the mean of its divisors is an integer number (5723200).

Almost surely, 2^194898688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194898688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206035200).

194898688 is an abundant number, since it is smaller than the sum of its proper divisors (217171712).

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

194898688 is an equidigital number, since it uses as much as digits as its factorization.

194898688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 523 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 61.

The square root of 194898688 is about 13960.6120209681. The cubic root of 194898688 is about 579.7885555055.

The spelling of 194898688 in words is "one hundred ninety-four million, eight hundred ninety-eight thousand, six hundred eighty-eight".