201944 has 8 divisors (see below), whose sum is σ = 378660. Its totient is φ = 100968.

The previous prime is 201937. The next prime is 201947. The reversal of 201944 is 449102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201944.

It is not an unprimeable number, because it can be changed into a prime (201947) by changing a digit.

201944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614 + ... + 12629.

2²⁰¹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

201944 is a deficient number, since it is larger than the sum of its proper divisors (176716).

201944 is a wasteful number, since it uses less digits than its factorization.

201944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25249 (or 25245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 201944 is about 449.3817975842. The cubic root of 201944 is about 58.6692205041.

The spelling of 201944 in words is "two hundred one thousand, nine hundred forty-four".