203796 has 60 divisors (see below), whose sum is σ = 579348. Its totient is φ = 62208.

The previous prime is 203789. The next prime is 203807. The reversal of 203796 is 697302.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 32400 = 414^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

203796 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5490 + ... + 5526.

2²⁰³⁷⁹⁶ 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 203796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289674).

203796 is an abundant number, since it is smaller than the sum of its proper divisors (375552).

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

203796 is a wasteful number, since it uses less digits than its factorization.

203796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 203796 is about 451.4377033434. The cubic root of 203796 is about 58.8480240733.

It can be divided in two parts, 203 and 796, that added together give a palindrome (999).

The spelling of 203796 in words is "two hundred three thousand, seven hundred ninety-six".