201394443 has 4 divisors (see below), whose sum is σ = 268525928. Its totient is φ = 134262960.

The previous prime is 201394439. The next prime is 201394469. The reversal of 201394443 is 344493102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201394443 - 2² = 201394439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201394443.

It is not an unprimeable number, because it can be changed into a prime (201394423) 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, 33565738 + ... + 33565743.

It is an arithmetic number, because the mean of its divisors is an integer number (67131482).

Almost surely, 2^201394443 is an apocalyptic number.

201394443 is a deficient number, since it is larger than the sum of its proper divisors (67131485).

201394443 is an equidigital number, since it uses as much as digits as its factorization.

201394443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67131484.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 201394443 is about 14191.3509927702. The cubic root of 201394443 is about 586.1595264720.

The spelling of 201394443 in words is "two hundred one million, three hundred ninety-four thousand, four hundred forty-three".