194475648 has 128 divisors (see below), whose sum is σ = 565194240. Its totient is φ = 59043840.

The previous prime is 194475647. The next prime is 194475689. The reversal of 194475648 is 846574491.

194475648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 194475597 and 194475606.

It is not an unprimeable number, because it can be changed into a prime (194475641) 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, 6273393 + ... + 6273423.

It is an arithmetic number, because the mean of its divisors is an integer number (4415580).

Almost surely, 2^194475648 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 194475648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282597120).

194475648 is an abundant number, since it is smaller than the sum of its proper divisors (370718592).

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

194475648 is an frugal number, since it uses more digits than its factorization.

194475648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 53 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 194475648 is about 13945.4525921535. The cubic root of 194475648 is about 579.3687623161.

The spelling of 194475648 in words is "one hundred ninety-four million, four hundred seventy-five thousand, six hundred forty-eight".