194794452 has 72 divisors (see below), whose sum is σ = 530449920. Its totient is φ = 60096960.

The previous prime is 194794447. The next prime is 194794489. The reversal of 194794452 is 254497491.

194794452 is a `hidden beast` number, since 194 + 7 + 9 + 4 + 452 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 194794398 and 194794407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21874 + ... + 29462.

It is an arithmetic number, because the mean of its divisors is an integer number (7367360).

Almost surely, 2^194794452 is an apocalyptic number.

194794452 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 194794452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265224960).

194794452 is an abundant number, since it is smaller than the sum of its proper divisors (335655468).

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

194794452 is a wasteful number, since it uses less digits than its factorization.

194794452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653 (or 7648 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 194794452 is about 13956.8783042627. The cubic root of 194794452 is about 579.6851759538.

The spelling of 194794452 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, four hundred fifty-two".