194764064 has 48 divisors (see below), whose sum is σ = 419580000. Its totient is φ = 88258560.

The previous prime is 194764051. The next prime is 194764067. The reversal of 194764064 is 460467491.

It is not an unprimeable number, because it can be changed into a prime (194764067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155312 + ... + 156560.

It is an arithmetic number, because the mean of its divisors is an integer number (8741250).

Almost surely, 2^194764064 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 194764064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209790000).

194764064 is an abundant number, since it is smaller than the sum of its proper divisors (224815936).

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

194764064 is a wasteful number, since it uses less digits than its factorization.

194764064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 194764064 is about 13955.7896229486. The cubic root of 194764064 is about 579.6550306920.

The spelling of 194764064 in words is "one hundred ninety-four million, seven hundred sixty-four thousand, sixty-four".