194794992 has 180 divisors, whose sum is σ = 667996680. Its totient is φ = 52690176.

The previous prime is 194794991. The next prime is 194794997. The reversal of 194794992 is 299497491.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194794991) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133338 + ... + 134790.

Almost surely, 2^194794992 is an apocalyptic number.

194794992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194794992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333998340).

194794992 is an abundant number, since it is smaller than the sum of its proper divisors (473201688).

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

194794992 is a wasteful number, since it uses less digits than its factorization.

194794992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1484 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 194794992 is about 13956.8976495495. The cubic root of 194794992 is about 579.6857116119.

The spelling of 194794992 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, nine hundred ninety-two".