203944 has 32 divisors (see below), whose sum is σ = 430920. Its totient is φ = 89856.

The previous prime is 203921. The next prime is 203947. The reversal of 203944 is 449302.

It can be written as a sum of positive squares in 4 ways, for example, as 191844 + 12100 = 438^2 + 110^2 .

It is not an unprimeable number, because it can be changed into a prime (203947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 3874.

2²⁰³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215460).

203944 is an abundant number, since it is smaller than the sum of its proper divisors (226976).

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

203944 is a wasteful number, since it uses less digits than its factorization.

203944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 203944 is about 451.6015943285. The cubic root of 203944 is about 58.8622660932.

The spelling of 203944 in words is "two hundred three thousand, nine hundred forty-four".