194246728 has 64 divisors (see below), whose sum is σ = 415800000. Its totient is φ = 84333312.

The previous prime is 194246719. The next prime is 194246729. The reversal of 194246728 is 827642491.

194246728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194246729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389023 + ... + 389521.

It is an arithmetic number, because the mean of its divisors is an integer number (6496875).

Almost surely, 2^194246728 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 194246728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207900000).

194246728 is an abundant number, since it is smaller than the sum of its proper divisors (221553272).

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

194246728 is a wasteful number, since it uses less digits than its factorization.

194246728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 730 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 194246728 is about 13937.2424819259. The cubic root of 194246728 is about 579.1413453749.

The spelling of 194246728 in words is "one hundred ninety-four million, two hundred forty-six thousand, seven hundred twenty-eight".