194264064 has 132 divisors (see below), whose sum is σ = 569049624. Its totient is φ = 63823872.

The previous prime is 194264053. The next prime is 194264071. The reversal of 194264064 is 460462491.

194264064 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 640 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986014 + ... + 986210.

It is an arithmetic number, because the mean of its divisors is an integer number (4310982).

Almost surely, 2^194264064 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 194264064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284524812).

194264064 is an abundant number, since it is smaller than the sum of its proper divisors (374785560).

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

194264064 is a wasteful number, since it uses less digits than its factorization.

194264064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 194264064 is about 13937.8643988238. The cubic root of 194264064 is about 579.1585738002.

The spelling of 194264064 in words is "one hundred ninety-four million, two hundred sixty-four thousand, sixty-four".