194772804 has 12 divisors (see below), whose sum is σ = 454469904. Its totient is φ = 64924264.

The previous prime is 194772793. The next prime is 194772821. The reversal of 194772804 is 408277491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8115522 + ... + 8115545.

It is an arithmetic number, because the mean of its divisors is an integer number (37872492).

Almost surely, 2^194772804 is an apocalyptic number.

It is an amenable number.

194772804 is an abundant number, since it is smaller than the sum of its proper divisors (259697100).

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

194772804 is a wasteful number, since it uses less digits than its factorization.

194772804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16231074 (or 16231072 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 194772804 is about 13956.1027511265. The cubic root of 194772804 is about 579.6637011984.

The spelling of 194772804 in words is "one hundred ninety-four million, seven hundred seventy-two thousand, eight hundred four".