194963972 has 12 divisors (see below), whose sum is σ = 389928000. Its totient is φ = 83555976.

The previous prime is 194963971. The next prime is 194963987. The reversal of 194963972 is 279369491.

194963972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

194963972 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 194963972.

It is not an unprimeable number, because it can be changed into a prime (194963971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481472 + ... + 3481527.

It is an arithmetic number, because the mean of its divisors is an integer number (32494000).

Almost surely, 2^194963972 is an apocalyptic number.

It is an amenable number.

194963972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

194963972 is a wasteful number, since it uses less digits than its factorization.

194963972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963010 (or 6963008 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 194963972 is about 13962.9499748441. The cubic root of 194963972 is about 579.8532843329.

The spelling of 194963972 in words is "one hundred ninety-four million, nine hundred sixty-three thousand, nine hundred seventy-two".