443201994 has 12 divisors (see below), whose sum is σ = 960271026. Its totient is φ = 147733992.

The previous prime is 443201977. The next prime is 443202007. The reversal of 443201994 is 499102344.

443201994 is a `hidden beast` number, since 443 + 20 + 199 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 387893025 + 55308969 = 19695^2 + 7437^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12311149 + ... + 12311184.

Almost surely, 2^443201994 is an apocalyptic number.

443201994 is an abundant number, since it is smaller than the sum of its proper divisors (517069032).

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

443201994 is a wasteful number, since it uses less digits than its factorization.

443201994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24622341 (or 24622338 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 443201994 is about 21052.3631452623. The cubic root of 443201994 is about 762.4310393246.

The spelling of 443201994 in words is "four hundred forty-three million, two hundred one thousand, nine hundred ninety-four".