194738448 has 80 divisors (see below), whose sum is σ = 537624320. Its totient is φ = 60559488.

The previous prime is 194738407. The next prime is 194738449. The reversal of 194738448 is 844837491.

194738448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 194738397 and 194738406.

It is not an unprimeable number, because it can be changed into a prime (194738449) 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, 59511 + ... + 62697.

It is an arithmetic number, because the mean of its divisors is an integer number (6720304).

Almost surely, 2^194738448 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 194738448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268812160).

194738448 is an abundant number, since it is smaller than the sum of its proper divisors (342885872).

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

194738448 is a wasteful number, since it uses less digits than its factorization.

194738448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284 (or 3278 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 194738448 is about 13954.8718374624. The cubic root of 194738448 is about 579.6296168760.

The spelling of 194738448 in words is "one hundred ninety-four million, seven hundred thirty-eight thousand, four hundred forty-eight".