194303812 has 24 divisors (see below), whose sum is σ = 362678904. Its totient is φ = 90765312.

The previous prime is 194303807. The next prime is 194303831. The reversal of 194303812 is 218303491.

194303812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119377476 + 74926336 = 10926^2 + 8656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (15111621).

Almost surely, 2^194303812 is an apocalyptic number.

It is an amenable number.

194303812 is a deficient number, since it is larger than the sum of its proper divisors (168375092).

194303812 is a wasteful number, since it uses less digits than its factorization.

194303812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015 (or 21013 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 194303812 is about 13939.2902258329. The cubic root of 194303812 is about 579.1980712839.

The spelling of 194303812 in words is "one hundred ninety-four million, three hundred three thousand, eight hundred twelve".